Where does “imperitaturus” come from?

imperitaturus (Latin) comes from Latin imperito, from Latin imperō, from Latin im-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

Definitions

Ancestry of “imperitaturus”, step by step

Step	Language	Word	Meaning
1	Latin	imperito	I command, govern, rule
2	Latin	imperō	to command, give orders to, impose, demand
3	Latin	im-	Alternative form of in-; form of "in"; in
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 →