Where does “jumeau” come from?

jumeau (French) comes from Old French gemel, from Latin gemellus, from Latin -lus, from Proto-Italic -elos, from Proto-Indo-European -e-lós, from Proto-Indo-European -lós — Forms agent nouns from verbal roots.

jumeau (French): twin

Definitions

twin

Ancestry of “jumeau”, step by step

Step	Language	Word	Meaning
1	Old French	gemel	—
2	Latin	gemellus	twin
3	Latin	-lus	Alternative form of -ulus; diminutive suffix
4	Proto-Italic	-elos	Forms desubstantival and deadjectival diminutive nouns
5	Proto-Indo-European	-e-lós	—
6	Proto-Indo-European	-lós	Forms agent nouns from verbal roots

Words derived from “jumeau”

jumeler
trijumeau
jimo
jimo

Every word from Proto-Indo-European -lós →Every word from Latin -lus →Every word from Latin gemellus →