Where does “Petronille” come from?

Petronille (Middle French) comes from Latin Petronella, from Latin Petronius, from Proto-Italic *kʷetru- — four, quadri.

Ancestry of “Petronille”, step by step

StepLanguageWordMeaning
1LatinPetronella—
2LatinPetroniusof or pertaining to the gens Petronia
3Proto-Italic*kʷetru-four, quadri

Words derived from “Petronille”

Every word from Proto-Italic *kʷetru- →Every word from Latin Petronius →Every word from Latin Petronella →