Where does “дудук” come from?

дудук (Russian) comes from Armenian դուդուկ, from Turkish düdük, from Ottoman Turkish دودوك, from Turkish tutuk.

дудук (Russian): duduk

Definitions

Step	Language	Word	Meaning
1	Armenian	դուդուկ	duduk
2	Turkish	düdük	whistle; pipe
3	Ottoman Turkish	دودوك	—
4	Turkish	tutuk	—

дудук — Etymology, Origin & Word History | Etymology Explorer