Where does “desmodromic” come from?

desmodromic (English) comes from Ancient Greek δεσμός, from Ancient Greek δέω, from Proto-Indo-European deh₁- — to bind.

desmodromic (English): Having different controls for its actuation in...

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	δεσμός	bond, fetter; collar, halter; bondage,...
2	Ancient Greek	δέω	I bind, tie, fasten, fetter; To lack, need,...
3	Proto-Indo-European	deh₁-	to bind

desmodromic — Etymology, Origin & Word History | Etymology Explorer