LATIN DICTIONARYLexicon Latīnum
pronoundemonstrative pronoun (with m optionally → n in compounds) with an indeclinable portion

īdem

īdem (feminine eadem, neuter idem)
Classical[ˈiː.dẽː]Ecclesiastical[ˈiː.dem]
№ 59 of the 1,000 commonest wordsMille Verba core vocabulary

Meaning

  1. demonstrativepronounthe same
    29 bc. Virgil. Georgics, IIILove is the same for all
    “[...] Eadem mē ad fāta vocāssēs: īdem ambās ferrō dolor, atque eadem hōra tulisset.” “You should have called me to the same fate: Both of us could have been taken by the sword – the same pain, and at the same hour.”(Anna speaks to her dying sister, Dido.)29 BCE – 19 BCE, Vergilius, Aeneis 4.678-679

Latīnē defined in Latin in our graded readers

the same
īdem, eandem — in Seneca, ch. IV

Declension

singular
formmasculinefeminineneuter
nominativeīdemeademidem
genitiveeiusdemeiusdemeiusdem
dativeeīdemeīdem
eaedem
eīdem
accusativeeundem
eumdem
eandem
eamdem
idem
ablativeeōdemeādemeōdem
plural
formmasculinefeminineneuter
nominativeiīdem
eīdem, īdem
eaedemeadem
genitiveeōrundem
eōrumdem, eundem, eumdem
eārundem
eārumdem
eōrundem
eōrumdem, eundem, eumdem
dativeiīsdem
eīsdem, īsdem, ībusdem
iīsdem
eīsdem, īsdem, eābusdem
iīsdem
eīsdem, īsdem
accusativeeōsdemeāsdemeadem
ablativeiīsdem
eīsdem, īsdem
iīsdem
eīsdem, īsdem
iīsdem
eīsdem, īsdem

Phrases from Meissner's Latin Phrase-Book

ut in eodem simili verser
to use the same simile, illustration.
idem de re publica sentire
to have the same political opinions.
vocabula idem fere declarantia
synonyms.
haec ex eodem fonte fluunt, manant
these things have the same origin.
idem valere, significare, declarare
to have the same meaning.
consentire, idem sentire cum aliquo
to agree with a person.
eadem (longe alia) est huius rei ratio
the case is exactly similar (entirely different).
idem sentire (opp. dissentire ab aliquo)
to hold the same views.
2 more phrases
eadem est causa mea or in eadem causa sum
my circumstances have not altered.
eiusdem linguae societate coniunctum esse cum aliquo (De Or. 3. 59. 223)
to be united by having a common language.

īdem, ĕădem, ĭdem (
I. masc. eidem, freq. in MSS. and inscrr.; v. Lachm. ad Lucr. 1, 120; rarely isdem or eisdem; plur. nom. eidem; dat. and abl. eisdem; usu. contr. idem, isdem; not iidem, iisdem; v. Neue, Formenl. 2, 198 sqq.), pron. [from the pronom. root I, whence is, and the demonstr. suff. dem; root of dies, day, time; hence, just, exactly, Corss. Aussp. 2, 855], the same.
I. In gen.: deinde quod nos eadem Asia atque idem iste Mithridates initio belli Asiatici docuit, Cic. de Imp. Pomp. 7, 19: quam (sphaeram) ab eodem Archimede factam posuerat in templo Virtutis Marcellus idem, id. Rep. 1, 14: id, quod eidem Ciceroni placet, Quint. 10, 7, 28: jure erat semper idem vultus (Socratis), Cic. Tusc. 3, 15, 31: idem semper vultus eademque frons, id. Off. 1, 26, 90: tu autem eodem modo omnes causas ages? aut in iisdem causis perpetuum et eundem spiritum sine ulla commutatione obtinebis? id. Or. 31, 110: non quod alia res esset: immo eadem, id. Clu. 29, 80: etiam si verbo differre videbitur, re tamen erit unum et omnibus in causis idem valebit, id. Caecin. 21, 59: ad causas simillimas inter se vel potius easdem, id. Brut. 94, 324. —
II. In partic., idem is used,
A. When two predicates are referred to the same subject.
1. When the predicates are of the same kind it may often be rendered, at the same time, likewise, also, etc., or = is (ea, id) with quoque, etiam, simul, etc.: cum Academico et eodem rhetore congredi conatus sum, Cic. N. D. 2, 1, 1; cf.: oratio splendida et grandis et eadem in primis faceta, id. Brut. 79, 273: avunculus meus, vir innocentissimus idemque doctissimus, id. N. D. 3, 32, 80: jam M. Marcellus ille quinquies consul totum (auspicium) omisit, idem imperator, idem augur optimus, id. Div. 2, 36, 77: ubi Xenocrates, ubi Aristoteles ista tetigit? hos enim quasi eosdem esse vultis, id. Ac. 2, 44, 136; cf.: viros fortes, magnanimos, eosdem bonos et simplices esse volumus, id. Off. 1, 19, 63: Caninius idem et idem noster cum ad me pervesperi venisset, etc., id. Fam. 9, 2, 1: amicus est tamquam alter idem, a second self, id. Lael. 21, 80: ad idem semper exspectandum paratior, id. Off. 2, 15, 53: nam idem velle atque idem nolle, ea demum firma amicitia est, Sall. C. 20, 5; cf.: quos omnes eadem odisse, eadem metuere in unum coeëgit, id. J. 31, 14: Hisdem diebus, for eisdem, Pall. 10, 13: hic finis belli, ... idemque finis regni, Liv. 45, 9, 2; 2, 12, 2: quae ab condita urbe Roma ad captam urbem eandem Romani ... gessere, id. 6, 1, 1: ut pars militum gladiatores, qui e servitio Blaesi erant, pars ceteram ejusdem familiam vincirent, Tac. A. 1, 23: erepta mihi prius eorundem matre, Quint. 6 prooem. 4: fervida aestas, longinqua itinera sola ducis patientia mitigabantur, eodem plura quam gregario milite tolerante, Tac. A. 14, 24.—
2. When the predicates are in contrast with one another it may be rendered, nevertheless, yet, on the contrary: (Epicurus) cum optimam et praestantissimam naturam dei dicat esse, negat idem esse in deo gratiam, Cic. N. D. 1, 43, § 121; cf. Curt. 5, 1, 14.—
B. Esp.
1. Connected or corresp. with the pronouns ego, tu, hic, ille, iste, qui, and with unus: idem ego ille (non enim mihi videor insolenter gloriari, etc.) idem inquam ego recreavi afflictos animos, etc., Cic. Att. 1, 16, 8: ego idem, qui, etc., id. Or. 7, 23; cf.: habitae sunt multae de me contiones ... habuit de eodem me P. Lentulus consul contionem, id. Sest. 50, 107: cedo nunc ejusdem illius inimici mei de me eodem contionem, id. ib. § 108: de me eodem, id. ib. 51, 109: quin tu igitur concedis idem, etc., id. Rep. 1, 39 fin. Mos.; cf.: cognoram te in custodia salutis meae diligentem: eundemque te, etc., id. Att. 4, 1, 1: Sopater quidam fuit, etc. ... huic eidem Sopatro eidem inimici ad C. Verrem ejusdem rei nomen detulerunt, Cic. Verr. 2, 2, 28, § 68: cum est idem hic Sopater absolutus, id. ib. 2, 2, 29, § 70: hoc idem facere, id. Rep. 1, 35: ab hisce eisdem permotionibus, id. de Or. 1, 12, 53: idem ille tyrannus, id. Rep. 1, 42: in eisdem illis locis, Cic. Verr. 2, 1, 21, § 56: eandem illam (sphaeram), id. Rep. 1, 14: eum et idem qui consuerunt et idem illud alii desiderent, id. Off. 2, 15 fin.: idem iste Mithridates, id. de Imp. Pomp. 7, 19 (Klotz, Orell., B. and K.; older edd., idem ipse): musici qui erant quondam idem poëtae, id. de Or. 3, 44, 174; cf.: beneficentia, quam eandem benignitatem appellari licet, id. Off. 1, 7, 20: quod idem in ceteris artibus non fit, id. Fin. 3, 7, 24 fin.: exitus quidem omnium unus et idem fuit, id. Div. 2, 47, 97: in qua (causa) omnes sentirent unum atque idem, id. Cat. 4, 7, 14; cf. in an inverted order: ut verset saepe multis modis eandem et unam rem, id. Or. 40, 137: neque ego aliter accepi: intellexi tamen idem, non existimasse te, etc., id. Fam. 9, 15, 3; id. Att. 3, 12, 1; 8, 3, 3.—
2. As a word of comparison, with et, ac, que, ut, qui (quae, quod), quam, quasi, cum, or (mostly poet.) with the dat., the same as, identical with, of the same meaning as, etc.: si quaeratur, idemne sit pertinacia et perseverantia, Cic. Top. 23, 87: videmus fuisse quosdam, qui idem ornate ac graviter, idem versute et subtiliter dicerent, at the same time and as well as, id. Or. 7, 22; cf. id. Sull. 18, 51: imperii nostri terrarumque idem est extremum, id. Prov. Cons. 13, 33; cf. id. Cael. 28, 67: disputationem habitam non quasi narrantes exponimus, sed eisdem fere verbis, ut actum disputatumque est, id. Tusc. 2, 3, 9: idem abeunt, qui venerant, id. Fin. 4, 3, 7: quoniam earum rerum quas ego gessi, non est eadem fortuna atque condicio, quae illorum qui, etc., id. Cat. 3, 12, 27: non quo idem sit servulus quod familia, id. Caecin. 20, 58: qui (servi) et moribus eisdem essent, quibus dominus, et eodem genere ac loco nati, Cic. Verr. 2, 3, 25, § 62: eandem constituit potestatem quam si, etc., id. Agr. 2, 12, 30: eodem loco res est, quasi ea pecunia legata non esset, id. Leg. 2, 21, 53; cf.: sensu amisso fit idem, quasi natus non esset omnino, id. Lael. 4, 14.—With cum: tibi mecum in eodem est pistrino vivendum, Cic. de Or. 2, 33, 144: hunc eodem mecum patre genitum, etc., Tac. A. 15, 2: in eadem mecum Africa geniti fides, Liv. 30, 12, 15; 28, 28, 14.—With dat.: (Homerus) Sceptra potitus, eadem aliis sopitu' quiete est, Lucr. 3, 1038; cf.: invitum qui servat idem facit occidenti, Hor. A. P. 467; so Ov. M. 13, 50; id. Am. 1, 4, 1 al.: quod non idem illis censuissemus, Cic. Fam. 9, 6, 3; Just. 2, 4, 10: ille eadem nobis juratus in arma, Ov. M. 13, 50.—In neutr. with gen.: si idem nos juris haberemus quod ceteri, Cic. Balb. 12, 29: tibi idem consilii do, quod, etc., id. Fam. 9, 2, 2: omnes qui ubique idem operis efficiunt, Lact. 5, 4, 1: non habet officii lucifer omnis idem, Ov. F. 1, 46.—Advv.: eādem, eodem, v. h. v.

Origins

From Proto-Italic *izdim; equivalent to is (“he”) + Proto-Italic *-im (emphatic marker) (whence Sabellic *-om, Oscan 𐌝𐌔𐌝𐌃𐌖𐌌 (ísídum), 𐌄𐌔𐌝𐌃𐌖𐌌 (esídum)), from Proto-Indo-European *im (whence also Old Latin im, em), accusative singular of *éy (so both parts are from the same source). The s was lost and the i lengthened by compensatory lengthening. When is' ablative cases eōd, eād became eō, eā, idem's ablative true forms eōd-em, eād-em were interpreted as eō-dem, eā-dem. The neuter nominative singular id-em is natural. De verborum significatione gives emem as a form of the later eundem.http://remacle.org/bloodwolf/erudits/Festus/e.htm The new marker -dem then served to create totidem, tantundem, ibīdem, etc. Compare tam-en with its later doublet: tan-dem (← *tam-dem).

Quick answers

What does īdem mean in Latin?
īdem, a pronoun, means “the same”.
How do you pronounce īdem?
In classical Latin, [ˈiː.dẽː]; in ecclesiastical (church) Latin, [ˈiː.dem].