Where does “denemek” come from?

denemek (Turkish) comes from Old Turkic teŋ, from Middle Chinese 等.

denemek (Turkish): to try

Definitions

Step	Language	Word	Meaning
1	Old Turkic	teŋ	equivalent, balanced; equal, equivalent,...
2	Middle Chinese	等	—

denemek — Etymology, Origin & Word History | Etymology Explorer