Where does “aggiungimento” come from?

aggiungimento (Italian) comes from Italian aggiungere, from Latin adiungō, from Latin ad-, from Latin īn-, from Latin în, from Latin en, from Proto-Italic en, from Proto-Indo-European h₁én — in.

aggiungimento (Italian): adding, addition; appending, appendix

Definitions

adding, addition; appending, appendix

Ancestry of “aggiungimento”, step by step

Step	Language	Word	Meaning
1	Italian	aggiungere	to add, to append
2	Latin	adiungō	to add, join, attach, append, annex or bind to (something)
3	Latin	ad-	to; usually prefixed to verbs, in which cases it...
4	Latin	īn-	un-, non-, not
5	Latin	în	in, at, on, upon, from (space)
6	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
7	Proto-Italic	en	in
8	Proto-Indo-European	h₁én	in

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