Where does “assesseuse” come from?

assesseuse (French) comes from Old French assesser, from Medieval Latin assessare, from Latin assessus, from Latin assideō, from Latin ad-, from Latin īn-, from Latin în, from Latin en — in.

Ancestry of “assesseuse”, step by step

Step	Language	Word	Meaning
1	Old French	assesser	—
2	Medieval Latin	assessare	—
3	Latin	assessus	seated beside one; a sitting beside someone
4	Latin	assideō	to sit by or near someone or something
5	Latin	ad-	to; usually prefixed to verbs, in which cases it...
6	Latin	īn-	un-, non-, not
7	Latin	în	in, at, on, upon, from (space)
8	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
9	Proto-Italic	en	in
10	Proto-Indo-European	h₁én	in

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Latin ad- →