franc-prwençau Posted on June 7, 2020June 7, 2020 by Ángel Serrano [ˌfɾaŋkpɾwenˈsau̯] 1. masculine noun Franco-Provençal (person from Arpitania). 2. masculine noun Franco-Provençal (language of Arpitania). Etymology: From franc and prwençau.