Where does “incumbo” come from?

incumbo (Portuguese) comes from Portuguese incumbir, from Latin incumbo, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

incumbo (Portuguese): first-person singular present indicative of...

Definitions

first-person singular present indicative of...

Ancestry of “incumbo”, step by step

Step	Language	Word	Meaning
1	Portuguese	incumbir	to delegate
2	Latin	incumbo	I lay oneself upon; I lean or recline on...
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 →