aptus

Latin

From Proto-Italic *aptos, which has been connected to the root Proto-Indo-European *h₂ep- (“to join, fit (in)”)^[1]^[2]^[3] or to the perfect passive participle of apiō (“fasten, join”).^[4]

aptus (feminine apta, neuter aptum, comparative aptior, superlative aptissimus, adverb aptē); first/second-declension participle

suitable, adapted
Synonyms: opportūnus, commodus, habilis, idōneus, dignus, conveniēns, iūstus, lēgitimus, ūtilis, ūtēnsilis, salūber

Antonyms: incommodus, inūtilis, ineptus, irritus, grātuītus
ready
apt, proper
bound, tied, attached, joined (to)
- 1839 [8th century CE], Paulus Diaconus, edited by Karl Otfried Müller, Excerpta ex libris Pompeii Festi De significatione verborum, page 17, line 9:
  Apex, quod est sacerdotum īnsigne, dictus est ab eō, quod comprehendere antīquī vinculō apere dīcēbant. Unde aptus est, quī conventienter alicui iūnctus est.
  The apex, which is the ensign of the Flamen, is called so because of the fact that in, the old language, tying with a rope was called apere. Whence aptus is something which is conventiently joined to something.
dependent (on)
Synonym: suspēnsus

	masculine	feminine	neuter	masculine	feminine	neuter
	singular			plural
nominative	aptus	apta	aptum	aptī	aptae	apta
genitive	aptī	aptae	aptī	aptōrum	aptārum	aptōrum
dative	aptō	aptae	aptō	aptīs
accusative	aptum	aptam	aptum	aptōs	aptās	apta
ablative	aptō	aptā	aptō	aptīs
vocative	apte	apta	aptum	aptī	aptae	apta

^ Rix, Helmut, editor (2001), “*h₂ep-”, in Lexikon der indogermanischen Verben [Lexicon of Indo-European Verbs] (in German), 2nd edition, Wiesbaden: Dr. Ludwig Reichert Verlag, →ISBN, page 269
^ Beekes, Robert S. P. (2010), Etymological Dictionary of Greek (Leiden Indo-European Etymological Dictionary Series; 10), volume I, with the assistance of Lucien van Beek, Leiden, Boston: Brill, →ISBN, page 120
^ Kloekhorst, Alwin (2008), Etymological Dictionary of the Hittite Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 5), Leiden, Boston: Brill, →ISBN, page 294
^ De Vaan, Michiel (2008), “apīscor, -scī”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 47

“aptus”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
“aptus”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
"aptus", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
“aptus”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎^[1], London: Macmillan and Co.
- to be closely connected with each other: conexum et aptum esse inter se
- systematic succession, concatenation: continuatio seriesque rerum, ut alia ex alia nexa et omnes inter se aptae colligataeque sint (N. D. 1. 4. 9)
- (ambiguous) to be very intimately related: apte (aptissime) cohaerere
William Dwight Whitney, Benjamin E[li] Smith, editors (1911), “apt”, in The Century Dictionary […], New York, N.Y.: The Century Co., →OCLC.