Where does “Luserna” come from?

Luserna (Italian) comes from Venetian Łuxerna, from Cimbrian Lusérn, from Italian liscio, from Latin lisius, from Polish Lis, from Polish Listopad, from Old Polish listopad, from Proto-Slavic listopadъ — to protect; to shepherd.

Ancestry of “Luserna”, step by step

StepLanguageWordMeaning
1VenetianŁuxerna
2CimbrianLusérn
3Italianlisciosmooth, sleek, polished; simple; neat, straight
4Latinlisius
5PolishLisfox
6PolishListopadNovember
7Old PolishlistopadNovember
8Proto-Slaviclistopadъleaf fall; time of leaf fall
9Proto-Slavicpastito pasture; to herd; to fall
10Proto-Balto-Slavicpāˀstéi
11Proto-Indo-Europeanpéh₂stito guard, to protect; to shepherd
12Proto-Indo-Europeanpeh₂-to protect; to shepherd
Every word from Proto-Indo-European peh₂-