Where does “anointen” come from?

anointen (Middle English) comes from Old French enoint, from Old French enoindre, from Latin inungo, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

Ancestry of “anointen”, step by step

Step	Language	Word	Meaning
1	Old French	enoint	—
2	Old French	enoindre	to anoint
3	Latin	inungo	anoint
4	Latin	īn-	un-, non-, not
5	Latin	în	in, at, on, upon, from (space)
6	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
7	Proto-Italic	en	in
8	Proto-Indo-European	h₁én	in

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →