Where does “imbrûlé” come from?

imbrûlé (French) comes from French im-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

imbrûlé (French): unburnt

Definitions

Step	Language	Word	Meaning
1	French	im-	a form of the prefix in-, used before "b", "m"...
2	Latin	în	in, at, on, upon, from (space)
3	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
4	Proto-Italic	en	in
5	Proto-Indo-European	h₁én	in