Where does “irrupt” come from?

irrupt (English) comes from Latin irruptus, from Latin irrumpo, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

irrupt (English): To break into; To enter forcibly or uninvited; To...

Definitions

To break into; To enter forcibly or uninvited; To...

Ancestry of “irrupt”, step by step

Step	Language	Word	Meaning
1	Latin	irruptus	intruded
2	Latin	irrumpo	I intrude; I storm, dash, or burst into; I invade
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 →