Where does “dənizçilik” come from?

dənizçilik (Azerbaijani) comes from Azerbaijani dənizçi, from Azerbaijani dəniz, from Ottoman Turkish دكز, from Proto-Turkic teŋiŕ, from Old Turkic teŋ, from Middle Chinese 等.

dənizçilik (Azerbaijani): navigation, seafaring

Definitions

navigation, seafaring

Ancestry of “dənizçilik”, step by step

Step	Language	Word	Meaning
1	Azerbaijani	dənizçi	seaman, sailor
2	Azerbaijani	dəniz	sea
3	Ottoman Turkish	دكز	sea
4	Proto-Turkic	teŋiŕ	sea
5	Old Turkic	teŋ	equivalent, balanced; equal, equivalent,...
6	Middle Chinese	等	—

Every word from Middle Chinese 等 →Every word from Old Turkic teŋ →Every word from Proto-Turkic teŋiŕ →