LATIN DICTIONARYLexicon Latīnum
verbsecond conjugation, no passive

assideō

assideō (present infinitive assidēre, perfect active assēdī, supine assessum)
Classical[asˈsɪ.de.oː]Ecclesiastical[asˈsiː.de.o]

Meaning

  1. to sit by or near someone or something
  2. to be or stand by one's side
  3. to take care of, attend upon or to
  4. figurativelyto station oneself before, be encamped before or sit down before (something); besiege, blockade
  5. figurativelywith dativeto be like, resemble

Conjugation conjugation 2

active indicative
formpresentimperfectfutureperfectpluperfectfut. perfect
1st sg.assideōassidēbamassidēbōassēdīassēderamassēderō
2nd sg.assidēsassidēbāsassidēbisassēdistīassēderāsassēderis
3rd sg.assidetassidēbatassidēbitassēditassēderatassēderit
1st pl.assidēmusassidēbāmusassidēbimusassēdimusassēderāmusassēderimus
2nd pl.assidētisassidēbātisassidēbitisassēdistisassēderātisassēderitis
3rd pl.assidentassidēbantassidēbuntassēdērunt
assēdēre
assēderantassēderint
active subjunctive
active subjunctive
formpresentimperfectperfectpluperfect
1st sg.assideamassidēremassēderimassēdissem
2nd sg.assideāsassidērēsassēderīsassēdissēs
3rd sg.assideatassidēretassēderitassēdisset
1st pl.assideāmusassidērēmusassēderīmusassēdissēmus
2nd pl.assideātisassidērētisassēderītisassēdissētis
3rd pl.assideantassidērentassēderintassēdissent
imperative
imperative
formactivepassive
pres. 2nd sg.assidē—
pres. 2nd pl.assidēte—
fut. 2nd sg.assidētō—
fut. 3rd sg.assidētō—
fut. 2nd pl.assidētōte—
fut. 3rd pl.assidentō—
infinitives & participles
infinitives & participles
formactivepassive
present infinitiveassidēre—
perfect infinitiveassēdisse—
future infinitiveassessūrum esse—
present participleassidēns—
perfect participle—assessa
assessā, assessae, assessam, assessārum, assessās, assesse, assessī, assessīs, assessō, assessōrum, assessōs, assessus
future participleassessūrus
assessūra, assessūrā, assessūrae, assessūram, assessūrārum, assessūrās, assessūre, assessūrī, assessūrīs, assessūrō, assessūrōrum, assessūrōs, assessūrum
—
gerundassidendī, assidendō, assidendumsupineassessum, assessū

Phrases from Meissner's Latin Phrase-Book

assidēre aegroto (Liv. 25. 26)
to watch by a sick man's bedside.

as-sĭdĕo (ads-, Fleck., Kayser, Rib., Merk., Halm, Weissenb.; both, K. and H.), sēdi, sessum, 2, v. n. sedeo,
I. to sit by or near a person or thing (syn. assido).
I. Lit.
A. In gen.: qui apud carbones adsident, Plaut. Rud. 2, 6, 48: in Tiburti forte adsedimus ego et Marcus filius, Cic. de Or. 2, 55, 224: non adsidens et attente audiens, id. Brut. 55, 200.—
B. Esp.
1. To sit, stand, or be at one's side, as attendant, aid, protector; absol. or with dat.: cum lacrimans in carcere mater noctes diesque adsideret, Cic. Verr. 2, 5, 43: principes Macedoniae hujus (Plancii) periculo commoti huic adsident, pro hoc laborant, id. Planc. 11 fin.: cum Pompeius P. Lentulo consuli frequens adsideret, id. Pis. 32, 80: qui (nobilium adulescentes) ibi adsidebant, Liv. 9, 46, 9: Ut assidens inplumibus pullis avis Serpentium adlapsus timet, Hor. Epod. 1, 19: adsidens foribus, Vulg. Sap. 6, 15; ib. 1 Macc. 11, 40; ib. Act. 26, 30.—Hence, in judic. lang., t. t., to aid, assist one in the office of judge, to be an assessor (cf. assessor): rarus in tribunali Caesaris Piso, et si quando adsideret, atrox ac dissentire manifestus, Tac. A. 2, 57; Dig. 1, 22, 2; 1, 22, 3; 1, 22, 6 al.—
2. Of the sick, to attend upon, take care of: adsidet aegrae, Ov. H. 20, 137: Adsidet una soror, Prop. 5, 3, 41: si alius casus lecto te adflixit, habes qui Adsideat, fomenta paret, medicum roget, etc., Hor. S. 1, 1, 82; Plin. Ep. 7, 19: adsidente amantissimā uxore, Tac. Agr. 45: adsidere valetudini, id. ib. —
3. To be busily, assiduously engaged about a thing: litteris, Plin. Ep. 3, 5, 19: gubernaculis, to attend to, to mind, id. Pan. 81 fin.—
II. Transf.
A. Of a place, to station one's self before; and more freq. in a hostile sense, to be encamped before, sit down before, besiege, blockade; constr. with dat. or acc.; also pass.: adsidere sepultae urbis ruinis, Tac. H. 3, 35: prope moenia Romana adsidere, Liv. 26, 22: moenibus adsidet hostis, Verg. Cir. 267; Liv. 23, 19; 21, 25; Curt. 4, 3; Tac. H. 2, 22 al.: cum muros adsidet hostis, Verg. A. 11, 304: adsidendo castellum, Tac. A. 6, 43: arces, Sil. 9, 623: adsidebat oppugnabatque oppidum, Gell. 7, 1, 8: Amisumque adsideri audiebat, Sall. H. Fragm. ap. Prisc. p. 830 P. (IV. 8 Gerl.): adsessos Capuae muros, Sil. 12, 453.—*
B. Poet., to be near one in qualities, i. e. to be like, to resemble (in prose, instead of it, accedo; opp. dissideo, q. v.): parcus Adsidet insano, Hor. Ep. 1, 5, 14 (sedet stulto proximus eique simillimus est, Crucq.; cf. in Gr. ἐγγὺς εἶναί τινι.—Acc. to Schmid the figure is drawn from the sitting together of similar classes in the theatre).

Origins

  1. Proto-Indo-European*h₂éd
  2. Proto-Italic*ad
  3. Proto-Italic*ad-
  4. Latinassideō

Proto-Indo-European *sed- Proto-Indo-European *-éh₁ti Proto-Indo-European *-yeti Proto-Indo-European *-éh₁yeti Proto-Indo-European *sedéh₁yeti Proto-Italic *sedēō Latin sedeō Latin assideō From ad- (“to, towards, at”) + sedeō (“sit; settle down”).

Italo-Romance
  • Italianassedere
  • Italianassidere
Southern Gallo-Romance
  • Catalanasseure
  • Gasconasseder
  • Gasconassedre
  • Gasconasseser
  • Gasconasseider
  • Languedocienasseire
  • Vivaro-Alpineasseire
Gallo-Italic
  • Old Ligurianasseir
Northern Gallo-Romance;
  • Old Frenchasseoir

In English words that came into English from assideō

  • sizeassideō
  • assessorassessor
  • assessassessare
  • assiduousassiduus
  • assizeassidere
  • assiduityassiduitas
  • assidentassideō

Quick answers

What does assideō mean in Latin?
assideō, a verb, means “to sit by or near someone or something; to be or stand by one's side; to take care of, attend upon or to”.
What are the principal parts of assideō?
assideō, assidēre, assēdī, assessum (second conjugation, no passive).
How do you pronounce assideō?
In classical Latin, [asˈsɪ.de.oː]; in ecclesiastical (church) Latin, [asˈsiː.de.o].
Where does assideō come from?
Proto-Indo-European *h₂éd → Proto-Italic *ad → Proto-Italic *ad- → Latin assideō.
Which English words come from assideō?
English words that go back to Latin assideō include size, assize, assident, assessor, assiduous and assess.