LATIN DICTIONARYLexicon Latīnum
verbfirst conjugation

aequō

aequō (present infinitive aequāre, perfect active aequāvī, supine aequātum)
Classical[ˈae̯.kʷoː]Ecclesiastical[ˈɛː.kʷo]
aequātus perf. pass. ptcp.

Meaning

  1. to equalize, make equal to something else, equate
    Flagitabant ambo exercitus multa extra ordinem, ante omnia ut aequarentur stipendio praetorianisBoth armies asked for many special privileges, above all, that they should receive the same pay as the Praetorians (literally, “Both armies asked for much outside of order, before all, that they should be made equal to the Praetorians in regard to their stipend”)c. 69 CE – 122 CE, Suetonius, De Vita Caesarum Tiberius 25
  2. to compare; to place on equal footing with
  3. to make level or smooth
  4. to make fair or right; divide equally, apportion fairly or reasonably
    Iūra dabat lēgēsque virīs, operumque labōrem[Dido] was giving justice and laws to the men, and the labor of the projects she was dividing equally into suitable portions, or was assigning it by lot.29 BCE – 19 BCE, Vergilius, Aeneis 1.507–508
  5. to become equal with

Latīnē defined in Latin in our graded readers

Conjugation conjugation 1

active indicative
formpresentimperfectfutureperfectpluperfectfut. perfect
1st sg.aequōaequābamaequābōaequāvīaequāveram
aequāram
aequāverō
aequārō
2nd sg.aequāsaequābāsaequābisaequāvistī
aequāstī
aequāverās
aequārās
aequāveris
aequāris
3rd sg.aequataequābataequābitaequāvit
aequāt
aequāverat
aequārat
aequāverit
aequārit
1st pl.aequāmusaequābāmusaequābimusaequāvimus
aequāmus
aequāverāmus
aequārāmus
aequāverimus
aequārimus
2nd pl.aequātisaequābātisaequābitisaequāvistis
aequāstis
aequāverātis
aequārātis
aequāveritis
aequāritis
3rd pl.aequantaequābantaequābuntaequāvērunt
aequārunt, aequāvēre
aequāverant
aequārant
aequāverint
aequārint
active subjunctive
active subjunctive
formpresentimperfectperfectpluperfect
1st sg.aequemaequāremaequāverim
aequārim
aequāvissem
aequāssem
2nd sg.aequēsaequārēsaequāverīs
aequārīs
aequāvissēs
aequāssēs
3rd sg.aequetaequāretaequāverit
aequārit
aequāvisset
aequāsset
1st pl.aequēmusaequārēmusaequāverīmus
aequārīmus
aequāvissēmus
aequāssēmus
2nd pl.aequētisaequārētisaequāverītis
aequārītis
aequāvissētis
aequāssētis
3rd pl.aequentaequārentaequāverint
aequārint
aequāvissent
aequāssent
passive indicative
passive indicative
formpresentimperfectfuture
1st sg.aequoraequābaraequābor
2nd sg.aequāris
aequāre
aequābāris
aequābāre
aequāberis
aequābere
3rd sg.aequāturaequābāturaequābitur
1st pl.aequāmuraequābāmuraequābimur
2nd pl.aequāminīaequābāminīaequābiminī
3rd pl.aequanturaequābanturaequābuntur
passive subjunctive
passive subjunctive
formpresentimperfect
1st sg.aequeraequārer
2nd sg.aequēris
aequēre
aequārēris
aequārēre
3rd sg.aequēturaequārētur
1st pl.aequēmuraequārēmur
2nd pl.aequēminīaequārēminī
3rd pl.aequenturaequārentur
imperative
imperative
formactivepassive
pres. 2nd sg.aequāaequāre
pres. 2nd pl.aequāteaequāminī
fut. 2nd sg.aequātōaequātor
fut. 3rd sg.aequātōaequātor
fut. 2nd pl.aequātōte—
fut. 3rd pl.aequantōaequantor
infinitives & participles
formactivepassive
present infinitiveaequāreaequārī
perfect infinitiveaequāvisse
aequāsse
aequātum esse
future infinitiveaequātūrum esseaequātum īrī
present participleaequāns
aequante, aequantem, aequantēs, aequantī, aequantia, aequantibus, aequantis, aequantīs, aequantium
—
perfect participle—aequātus
aequāta, aequātā, aequātae, aequātam, aequātārum, aequātās, aequātī, aequātōrum, aequātōs
future participleaequātūrus
aequātūra, aequātūrā, aequātūrae, aequātūram, aequātūrārum, aequātūrās, aequātūre, aequātūrī, aequātūrīs, aequātūrō, aequātūrōrum, aequātūrōs, aequātūrum
aequandus
aequanda, aequandā, aequandae, aequandam, aequandārum, aequandās, aequande, aequandīs, aequandōrum, aequandōs
gerundaequandī, aequandō, aequandumsupineaequātum, aequātū

Phrases from Meissner's Latin Phrase-Book

oppidum solo aequare
to raze a town to the ground.
aqua pectus aequat, superat
the water is up to, is above, the chest.

aequo, āvi, ātum, 1, v. a. and n. aequus.
I. Act., to make one thing equal to another; constr. with cum and (in gen. in the histt.) with dat., and with cop. conj. (cf. adaequo).
(a). With cum: inventum est temperamentum, quo tenuiores cum principibus aequari se putarent, Cic. Leg. 3, 10: cum suas quisque opes cum potentissimis aequari videat, Caes. B. G. 6, 22: numerum (corporum) cum navibus, Verg. A. 1, 193.—
(b). With dat.: Insedabiliter sitis arida, corpora mersans, Aequabat multum parvis umoribus imbrem, an unquenchable, burning thirst ... made the most copious stream seem to them as only a few drops, Lucr. 6, 1176: per somnum vinumque dies noctibus aequare, Liv. 31, 41: aequavit togatus armati gloriam collegae, id. 4, 10, 8: cujus magnitudini semper animum aequavit, id. 33, 21, 3 (but in id. 6, 20, 8, facta dictis aequando, dictis is abl.; v Weissenb. ad h. l.); Vell. 2, 127; aequare solo templum, to level with the ground, Tac. A. 1, 51; so domum, Quint. 3, 7, 20, and Aur. Vict. Vir. lllustr. 17. 5; and in an extended sense: Scipio Numantiam excisam aequavit solo, Vell. 2, 4.—Hence, trop.: solo aequandae sunt dictaturae consulatusque, entirely abolished, Liv 6, 18.—
(g). With cop. conj.: Curios aequare Fabriciosque, Aur. Vict. Caes. 18, 2. —Poet.: si protinus illum Aequāsset nocti ludum, had played through the whole night, Verg. A. 9, 338.—Hence also,
B. In comparison, to place a thing on an equality with, to compare.; in Cic. with cum; later with dat.: aequare et conferre scelera alicujus cum aliis, Cic. Verr. 1, 1, 8: ne aequaveritis Hannibali Philippum, ne Carthaginiensibus Macedonas: Pyrrho certe aequabitis, Liv. 31, 7: Deum homini non aequabo, Vulg. Job, 32, 21: quis in nubibus aequabitur Domino, ib. Psa. 88, 7.—
C. Of places, to make level, even, or smooth: aequata agri planities, Cic. Verr. 2, 4, 48; and trop.: aequato discrimine, at an equal distance, Lucr. 5, 690: aequato omnium periculo, Caes. B. G. 1, 25: aequato Marte, Liv. 1, 25: aequato jure omnium, id. 2, 3.—Poet.: ibant aequati numero, divided into equal parts, Verg. A. 7, 698: foedera regum Vel Gabiis vel cum rigidis aequata Sabinis, i. e. aequis legibus icta, Hor. Ep. 2, 1, 25; cf.: si foedus est, si societas aequatio juris est ... cur non omnia aequantur? placed in the same circumstances? Liv. 8, 4.—
D. T. t.
1. Aequare frontem, milit. t., to make an equal front, Liv. 5, 38: aequatis frontibus, Tib. 4, 1, 102; v. frons.—
2. Aequare sortes, to see that the lots are equal in number to those who draw, of the same material, and each with a different name. The classical passage for this phrase is Plaut. Cas. 2, 6, 35: conicite sortes: uxor, aequa (sc. eas); v. the preceding verses. So Cic. Fragm. Or. Corn. 1, p. 449 Orell.: dum sitella defertur, dum aequantur sortes, dum sortitio fit, etc.—
II. Neutr. or act., to become equal to one, to equal, come up to, attain to (mostly in the histt.); constr. with dat., but oftener with acc. (cf. adaequo and aequipero, and Zumpt, § 389, 1): qui jam illis fere aequārunt, Cic. Off. 1, 1, 3; Ov. M. 6, 21: ea arte aequāsset superiores reges, ni, etc., Liv. 1, 53; so, cursu equum, id. 31, 35; for which Curtius: cursum alicujus, 4, 1: gloriam alicujus, Suet. Caes. 55: eam picturam imitati sunt multi, aequavit nemo, Plin. 35, 11, 40, § 126; Luc. 3, 456.—Poet.: sagitta aequans ventos, like the winds in swiftness, Verg. A. 10, 248: valet nondum munia comparis Aequare (juvenca), i. e. cannot yet draw even with her mate, Hor. C. 2, 5, 2.

Origins

  1. Proto-Italic*aikʷos?
  2. Old Latinaiquos
  3. Latinaequō

Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-yéti Proto-Indo-European *-eh₂yéti Proto-Indo-European *-h₂tiinflu. Proto-Italic *-ājō Proto-Italic *-āō Latin -ō Latin aequō From aequus (“level, equal”) + -ō.

Elsewhere
  • Englishequate
  • Spanisheguar
  • Spanishiguar
  • Asturianiguar
  • Old Frenchever
  • Galicianigarfrom Old Galician-Portuguese iguar
  • Proto-West Germanic*īkwōn
Old Francoprovencal
  • Franco-Provençalégouar

In English words that came into English from aequō

  • equationaequātiō
  • adequateadaequātus
  • equableaequābilis
  • equateaequātus
  • equabilityaequabilitas
  • adequationadaequatio
  • adequativeadaequātivus

Quick answers

What does aequō mean in Latin?
aequō, a verb, means “to equalize, make equal to something else, equate; to compare; to place on equal footing with”.
What are the principal parts of aequō?
aequō, aequāre, aequāvī, aequātum (first conjugation).
How do you pronounce aequō?
In classical Latin, [ˈae̯.kʷoː]; in ecclesiastical (church) Latin, [ˈɛː.kʷo].
Where does aequō come from?
Proto-Italic *aikʷos? → Old Latin aiquos → Latin aequō.
Which English words come from aequō?
English words that go back to Latin aequō include equate, equation, equable, adequate, equability and adequation.