Where does “incarcerare” come from?

incarcerare (Latin) comes from Latin in, from Old Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

incarcerare (Latin): to imprison

Definitions

incarcerare traces back through two separate lines of ancestry.

Step	Language	Word	Meaning
1	Latin	in	in, at, on, upon, from; within, while in; into,...
2	Old Latin	en	in
3	Proto-Italic	en	in
4	Proto-Indo-European	h₁én	in

Step	Language	Word	Meaning
1	Latin	carcer	prison, jail; jailbird; traps
2	Proto-Indo-European	(s)ḱer-	dung, manure, filth; manure, dung, filth