LATIN DICTIONARYLexicon Latīnum
noun

prō-mātertĕra

Meaning

  1. a great-grandmother's sister

prō-mātertĕra, ae, f.,
I. a great-grandmother's sister, great-grandaunt, Dig. 38, 10, 1; 10.

Quick answers

What does prō-mātertĕra mean in Latin?
prō-mātertĕra, a noun, means “a great-grandmother's sister”.