Where does “potable” come from?
potable (Asturian) comes from Latin pōtābilis, from Latin pōtō, from Latin pōtus, from Latin pōtāre, from Proto-Italic pōtos, from Proto-Indo-European ph₃tós, from Proto-Indo-European peh₃- — to drink.
potable (Asturian): potable
Ancestry of “potable”, step by step