Where does “*ortu” come from?

*ortu (Proto-Turkic) comes from Proto-Turkic ȫr- — to rise; to spin; to plait.

Ancestry of “*ortu”, step by step

Step	Language	Word	Meaning
1	Proto-Turkic	ȫr-	to rise; to spin; to plait

*ortu — Etymology, Origin & Word History | Etymology Explorer