Where does “tosatrice” come from?

tosatrice (Italian) comes from Italian tosare, from Vulgar Latin tonsare, from Latin tondeō, from Proto-Indo-European tend-, from Proto-Indo-European temh₂- — to stretch, string; to cut.

tosatrice (Italian): clippers (for the hair or beard)

Definitions

clippers (for the hair or beard)

Ancestry of “tosatrice”, step by step

Step	Language	Word	Meaning
1	Italian	tosare	to shear; to clip, trim
2	Vulgar Latin	tonsare	—
3	Latin	tondeō	to shave, shear, clip
4	Proto-Indo-European	tend-	to stretch, to extend; to split, cut off
5	Proto-Indo-European	temh₂-	to stretch, string; to cut

Every word from Proto-Indo-European temh₂- →Every word from Proto-Indo-European tend- →Every word from Latin tondeō →