Where does “extendre” come from?

extendre (Anglo-Norman French) comes from Latin extendō, from Latin tendō, from Ancient Greek τένων, from Proto-Indo-European ten- — to stretch, to extend.

Ancestry of “extendre”, step by step

Step	Language	Word	Meaning
1	Latin	extendō	to stretch or thrust out
2	Latin	tendō	to stretch, stretch out, distend, extend
3	Ancient Greek	τένων	tendon, sinew
4	Proto-Indo-European	ten-	to stretch, to extend

Words derived from “extendre”

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