aptus

Latin

Etymology

From Proto-Italic *aptos, perfect passive participle of apō (“fasten, join”).

Pronunciation

• (Classical) IPA^(key): /ˈap.tus/, [ˈäpt̪ʊs̠]
• (modern Italianate Ecclesiastical) IPA^(key): /ˈap.tus/, [ˈäpt̪us]

Participle

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

1. suitable, adapted

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

   Antonyms: incommodus, inūtilis, ineptus, irritus, grātuītus

2. ready
3. apt, proper
4. 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.

5. dependent (on)

   Synonym: suspēnsus

Declension

First/second-declension adjective.

Number	Singular				Plural
Case / Gender	Masculine	Feminine	Neuter		Masculine	Feminine	Neuter
Nominative	aptus	apta	aptum		aptī	aptae	apta
Genitive	aptī	aptae	aptī		aptōrum	aptārum	aptōrum
Dative	aptō		aptō		aptīs
Accusative	aptum	aptam	aptum		aptōs	aptās	apta
Ablative	aptō	aptā	aptō		aptīs
Vocative	apte	apta	aptum		aptī	aptae	apta

Derived terms

• ineptus

Descendants

• >? Albanian: aftë
• Catalan: apte
• English: apt
• French: apte
• Galician: apto
• Italian: atto
• Portuguese: apto
• Romanian: apt
• Spanish: apto

References

• “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’s 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
    
• “apt”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.