Where does “fīlios” come from?

fīlios (Old Latin) comes from Proto-Indo-European dʰeh₁y-li-os, from Proto-Indo-European dʰeh₁(y)- — to suckle, nurse.

Ancestry of “fīlios”, step by step

StepLanguageWordMeaning
1Proto-Indo-Europeandʰeh₁y-li-ossucker
2Proto-Indo-Europeandʰeh₁(y)-to suckle, nurse

Words derived from “fīlios”

Every word from Proto-Indo-European dʰeh₁(y)- →Every word from Proto-Indo-European dʰeh₁y-li-os →