Where does “afilar” come from?
afilar (Portuguese) comes from French affiler, from French fil, from Old French fil, from Latin fīlius, from Old Latin fīlios, from Proto-Indo-European dʰeh₁y-li-os, from Proto-Indo-European dʰeh₁(y)- — to suckle, nurse.
afilar (Portuguese): to sharpen
Ancestry of “afilar”, step by step