Where does “underapply” come from?

underapply (English) comes from English apply, from Middle English aplien, from Old French applier, from Latin applicō, from Latin ad-, from Latin īn-, from Latin în, from Latin en — in.

underapply (English): To apply to an insufficient degree

Definitions

To apply to an insufficient degree

Ancestry of “underapply”, step by step

Step	Language	Word	Meaning
1	English	apply	To lay or place; to put; To put to use; to use or...
2	Middle English	aplien	—
3	Old French	applier	to bend; to apply
4	Latin	applicō	to apply
5	Latin	ad-	to; usually prefixed to verbs, in which cases it...
6	Latin	īn-	un-, non-, not
7	Latin	în	in, at, on, upon, from (space)
8	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
9	Proto-Italic	en	in
10	Proto-Indo-European	h₁én	in

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Latin ad- →