Where does “intrude” come from?

intrude (Italian) comes from Italian intrudere, from Medieval Latin intrūdere, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

intrude (Italian): third-person singular present indicative of...

Definitions

third-person singular present indicative of...

Ancestry of “intrude”, step by step

Step	Language	Word	Meaning
1	Italian	intrudere	to insert; to introduce
2	Medieval Latin	intrūdere	—
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 →