Where does “ensinamento” come from?

ensinamento (Portuguese) comes from Old Portuguese ensinamento, from Old Portuguese ensinar, from Vulgar Latin insignare, from Latin signō, from Latin signum, from Proto-Italic seknom, from Proto-Indo-European sek- — to cut, cut off, sever.

ensinamento (Portuguese): the act of teaching something; teaching

Definitions

the act of teaching something; teaching

Ancestry of “ensinamento”, step by step

Step	Language	Word	Meaning
1	Old Portuguese	ensinamento	—
2	Old Portuguese	ensinar	to teach
3	Vulgar Latin	insignare	—
4	Latin	signō	to mark, sign
5	Latin	signum	visible indication: sign, mark, signal; seal,...
6	Proto-Italic	seknom	sign
7	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 →