Where does “lupin” come from?

lupin (Old French) comes from Latin lupīnus, from Latin -īnus, from Proto-Italic -īnos, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “lupin”, step by step

StepLanguageWordMeaning
1LatinlupīnusOf or pertaining to a wolf
2Latin-īnusof 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 “lupin”

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