Where does “et” come from?

et (French) comes from Middle French et, from Old French et, from Latin et, from Proto-Indo-European éti, from Proto-Indo-European h₁é, from Proto-Indo-European ǵʰe — Postpositional intensifying particle: indeed, at any rate, in fact.

et (French): and

Definitions

Ancestry of “et”, step by step

Step	Language	Word	Meaning
1	Middle French	et	and
2	Old French	et	and
3	Latin	et	and; plus; though, even if
4	Proto-Indo-European	éti	beyond; over
5	Proto-Indo-European	h₁é	and, then
6	Proto-Indo-European	ǵʰe	Postpositional intensifying particle: indeed, at any rate, in fact

Words derived from “et”

huitante-et-un
octante-et-un
nonante-et-un
ed
nonante et un
Saint-Remy-en-Bouzemont-Saint-Genest-et-Isson
huitante et un
ici et là
octante et un
équand
éyoù
e
nonante-et-unième
nonante et unième

Every word from Proto-Indo-European ǵʰe →Every word from Proto-Indo-European h₁é →Every word from Proto-Indo-European éti →