Where does “tentar” come from?

tentar (Bikol Central) comes from Spanish tentar, from Latin temptō, from Latin tendō, from Ancient Greek τένων, from Proto-Indo-European ten- — to stretch, to extend.

Ancestry of “tentar”, step by step

Step	Language	Word	Meaning
1	Spanish	tentar	to tempt; to touch
2	Latin	temptō	to test the strength; to make an attack upon
3	Latin	tendō	to stretch, stretch out, distend, extend
4	Ancient Greek	τένων	tendon, sinew
5	Proto-Indo-European	ten-	to stretch, to extend

Every word from Proto-Indo-European ten- →Every word from Ancient Greek τένων →Every word from Latin tendō →