Where does “avertizor” come from?

avertizor (Romanian) comes from French avertisseur, from French avertir, from Middle French advertir, from Old French avertir, from Latin advertō, from Latin ad-, from Latin īn-, from Latin în — in.

avertizor (Romanian): detector

Definitions

detector

Ancestry of “avertizor”, step by step

Step	Language	Word	Meaning
1	French	avertisseur	warning; horn, hooter, klaxon
2	French	avertir	to warn, to avert; to notify, to notify
3	Middle French	advertir	to warn
4	Old French	avertir	to inform; to notify; to notice; to remark
5	Latin	advertō	to turn to or towards
6	Latin	ad-	to; usually prefixed to verbs, in which cases it...
7	Latin	īn-	un-, non-, not
8	Latin	în	in, at, on, upon, from (space)
9	Latin	en	lookǃ beholdǃ; reallyǃ?; come onǃ
10	Proto-Italic	en	in
11	Proto-Indo-European	h₁én	in

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