Where does “insistent” come from?

insistent (French) comes from French insister, from Latin īnsistō, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

insistent (French): third-person plural present indicative of...

Definitions

third-person plural present indicative of...

Ancestry of “insistent”, step by step

Step	Language	Word	Meaning
1	French	insister	to insist
2	Latin	īnsistō	to set foot, stand, tread or press on or upon something
3	Latin	īn-	un-, non-, not
4	Latin	în	in, at, on, upon, from (space)
5	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
6	Proto-Italic	en	in
7	Proto-Indo-European	h₁én	in

Every word from Proto-Indo-European h₁én →Every word from Latin īn- →Every word from Proto-Italic en →