LATIN DICTIONARYLexicon Latīnum
noun

prŏ-auctor

Meaning

  1. a remote ancestor

prŏ-auctor, ōris, m.,
I. a remote ancestor, founder (post-Aug.): generis sui proauctor, Suet. Claud. 24.

Quick answers

What does prŏ-auctor mean in Latin?
prŏ-auctor, a noun, means “a remote ancestor”.