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