Where does “unextreme” come from?

unextreme (English) comes from English extreme, from Old French extreme, from Latin extrēmus, from Proto-Italic eksterisemos.

unextreme (English): Not extreme

Definitions

Step	Language	Word	Meaning
1	English	extreme	Of a place, the most remote, farthest or...
2	Old French	extreme	—
3	Latin	extrēmus	—
4	Proto-Italic	eksterisemos	—

unextreme — Etymology, Origin & Word History | Etymology Explorer