Where does “insegnatore” come from?

insegnatore (Italian) comes from Italian insegnare, from Vulgar Latin insignare, from Latin signō, from Latin signum, from Proto-Italic seknom, from Proto-Indo-European sek- — to cut, cut off, sever.

insegnatore (Italian): teaching; teacher; lecturer

Definitions

teaching; teacher; lecturer

Ancestry of “insegnatore”, step by step

Step	Language	Word	Meaning
1	Italian	insegnare	to teach; to teach, to lecture
2	Vulgar Latin	insignare	—
3	Latin	signō	to mark, sign
4	Latin	signum	visible indication: sign, mark, signal; seal,...
5	Proto-Italic	seknom	sign
6	Proto-Indo-European	sek-	to cut, cut off, sever

Every word from Proto-Indo-European sek- →Every word from Proto-Italic seknom →Every word from Latin signum →