Where does “hostelier” come from?

hostelier (Old French) comes from Medieval Latin hostilarius, from Latin hospitāle, from Latin hospitālis, from Latin hospes, from Proto-Italic hostipotis, from Proto-Italic χostipotis, from Proto-Indo-European gʰostipotis, from Proto-Indo-European pótis — to drink.

Ancestry of “hostelier”, step by step

StepLanguageWordMeaning
1Medieval Latinhostilarius
2Latinhospitālea guestroom
3LatinhospitālisOf or pertaining to a host or guest
4Latinhospeshost; guest, visitor; stranger; foreigner
5Proto-Italichostipotishost
6Proto-Italicχostipotis
7Proto-Indo-Europeangʰostipotismaster of guests
8Proto-Indo-Europeanpótismaster, ruler; husband
9Proto-Indo-Europeanph₃tis
10Proto-Indo-Europeanpeh₃-to drink

Words derived from “hostelier

Every word from Proto-Indo-European peh₃-Every word from Proto-Indo-European ph₃tisEvery word from Proto-Indo-European pótis