Where does “tosão” come from?

tosão (Portuguese) comes from Old Portuguese toson, from Late Latin tonsio, from Latin tondeō, from Proto-Indo-European tend-, from Proto-Indo-European temh₂- — to stretch, string; to cut.

tosão (Portuguese): fleece hair or wool of a sheep

Definitions

fleece hair or wool of a sheep

Ancestry of “tosão”, step by step

Step	Language	Word	Meaning
1	Old Portuguese	toson	—
2	Late Latin	tonsio	shearing
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 →