Where does “filhastre” come from?
filhastre (Old Occitan) comes from Late Latin filiaster, from Latin fīlius, from Old Latin fīlios, from Proto-Indo-European dʰeh₁y-li-os, from Proto-Indo-European dʰeh₁(y)- — to suckle, nurse.
Ancestry of “filhastre”, step by step
Words derived from “filhastre”