Where does “Franche” come from?

Franche (Romanian) comes from German Franke, from Old High German Franko, from Proto-West Germanic frankō, from Proto-Germanic frankô, from Proto-Indo-European prAng- — pole, stalk.

Ancestry of “Franche”, step by step

StepLanguageWordMeaning
1GermanFrankeOne of the Franks; Franconian
2Old High GermanFrankoa Frank; Frank
3Proto-West Germanicfrankōspear, javelin; a Frank
4Proto-Germanicfrankôspear, javelin; a Frank
5Proto-Indo-EuropeanprAng-pole, stalk
Every word from Proto-Indo-European prAng-Every word from Proto-Germanic frankôEvery word from Proto-West Germanic frankō