Where does “feminine” come from?

feminine (Old French) comes from Latin femininus, from Latin -inus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “feminine”, step by step

StepLanguageWordMeaning
1Latinfemininusfeminine; of or relating to the feminine gender
2Latin-inusOf or pertaining to; -ine
3Proto-Italic-īnosof/belonging to
4Proto-Indo-European-iHnosCreates adjectives of materials
5Proto-Indo-European-no-adjectival suffix

Words derived from “feminine”

Every word from Proto-Indo-European -no- →Every word from Latin -inus →Every word from Proto-Italic -īnos →