auctor vitae

Literally “the originator or cause of life” (“life” understood to mean existence simpliciter in the case of God the Father, and to mean the salvation of eternal life in the case of God the Son).

• (Classical) IPA^(key): /ˈau̯k.tor ˈwiː.tae̯/, [ˈau̯k.tɔr ˈwiː.tae̯]
• (Ecclesiastical) IPA^(key): /ˈau̯k.tor ˈvi.tɛ/, [ˈau̯k.tor ˈviː.tɛ]

auctor vītae m (genitive auctōris vītae); third declension

1. (Late Latin, Christianity) an epithet of God and of Jesus: the author of life
   • a. AD 405, Vulgata, Act. 3:15:

     auctorem vero vitae interfecistis quem Deus suscitavit a mortuis cuius nos testes sumus

     but the authour of life you killed, vvhom God hath raiſed from the dead, of vvhich vve are vvitneſſes.

     (Rheims NT [1582], Acts 3:15, p. 297)

Third declension.