activus

From agō (“to act”) +‎ -īvus. In the grammatical sense, it is a calque of Ancient Greek ἐνεργητικός (energētikós).

• (Classical Latin) IPA^(key): [aːkˈtiː.wʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [akˈt̪iː.vus]

āctīvus (feminine āctīva, neuter āctīvum, adverb āctīvē); first/second-declension adjective

1. active
2. practical
3. (grammar) active (of a verb)

First/second-declension adjective.

• āctīvē

• “activus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• "activus", 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)
• activus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • (ambiguous) to put the finishing touch to a work: extrema manus accēdit operi (active extremam manum imponere operi)
    
  • (ambiguous) to be some one's favourite: in amore et deliciis esse alicui (active in deliciis habere aliquem)