Where does “avertissement préventif” come from?

avertissement préventif (French) comes from French avertissement, from French avertir, from Middle French advertir, from Old French avertir, from Latin advertō, from Latin ad-, from Latin īn-, from Latin în — in.

avertissement préventif (French): trigger warning

Definitions

trigger warning

Ancestry of “avertissement préventif”, step by step

avertissement préventif traces back through two separate lines of ancestry.

via French avertissement

Step	Language	Word	Meaning
1	French	avertissement	warning; yellow card, booking, caution
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

via French préventif

Step	Language	Word	Meaning
1	French	préventif	preventive
2	French	prévention	prevention
3	Latin	praeventio	—
4	Latin	praeventus	anticipated
5	Latin	praeveniō	to anticipate
6	Latin	veniō	to come (to a place), come in, arrive, reach
7	Proto-Italic	gʷenjō	to come
8	Proto-Indo-European	gʷm̥yéti	to come
9	Proto-Indo-European	-yéti	Creates intransitive, often deponent,...
10	Proto-Indo-European	yé-	—
11	Chichewa	iye	he, she

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