owneress

Etymology

From owner + -ess.

owneress means A female owner. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

A female owner.“The good Doctor, who had but once since Madame de Malguet's establishment at the château entered the doors of that forbidden mansion, for the purpose of paying his respects to its owneress […]”