What does Olca mean in Latin?

Olca, a proper noun, means “A castellum of Gallaecia, Hispania Tarraconensis”.

What is the genitive of Olca?

The genitive singular is Olcae. Olca is feminine, first declension.

In classical Latin, [ˈɔɫ.ka]; in ecclesiastical (church) Latin, [ˈɔl.ka].

proper noun · femininefirst declension

Olca f sg (genitive Olcae)

Classical[ˈɔɫ.ka]Ecclesiastical[ˈɔl.ka]

olca, a false reading in Plin. 37, 10, 65, § 176; v. oica.

From Gallaecian (Hispano-Celtic), from Proto-Celtic *ɸolkā (“farmland”), from Proto-Indo-European *polḱeh₂.