Where does “inoculate” come from?

inoculate (Middle English) comes from Latin inoculatus, from Latin inoculo, from Latin in-, from Latin in, from Old Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

Ancestry of “inoculate”, step by step

Step	Language	Word	Meaning
1	Latin	inoculatus
2	Latin	inoculo	I ingraft an eye or bud of one tree into another,...
3	Latin	in-	un-, non-, not; in, within, inside
4	Latin	in	in, at, on, upon, from; within, while in; into,...
5	Old Latin	en	in
6	Proto-Italic	en	in
7	Proto-Indo-European	h₁én	in

Every word from Proto-Indo-European h₁én →