Where does “filla” come from?
filla (Catalan) comes from Latin fīlia, from Latin fīlius, from Old Latin fīlios, from Proto-Indo-European dʰeh₁y-li-os, from Proto-Indo-European dʰeh₁(y)- — to suckle, nurse.
filla (Catalan): daughter
Ancestry of “filla”, step by step