Where does “interminable” come from?

interminable (Middle French) comes from Late Latin interminabilis, from Latin in-, from Latin in, from Old Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

Ancestry of “interminable”, step by step

Step	Language	Word	Meaning
1	Late Latin	interminabilis	interminable, endless
2	Latin	in-	un-, non-, not; in, within, inside
3	Latin	in	in, at, on, upon, from; within, while in; into,...
4	Old Latin	en	in
5	Proto-Italic	en	in
6	Proto-Indo-European	h₁én	in

Words derived from “interminable”

interminable
interminably
interminableness

Every word from Proto-Indo-European h₁én →