Where does “tesura” come from?

tesura (Spanish) comes from Latin tensura, from Latin tendō, from Ancient Greek τένων, from Proto-Indo-European ten- — to stretch, to extend.

tesura (Spanish): tautness

Definitions

Step	Language	Word	Meaning
1	Latin	tensura	stretching, straining, tension
2	Latin	tendō	to stretch, stretch out, distend, extend
3	Ancient Greek	τένων	tendon, sinew
4	Proto-Indo-European	ten-	to stretch, to extend