Where does “اُرْدَكْ” come from?

اُرْدَكْ (Karakhanid) comes from Proto-Turkic ȫrdek — duck.

اُرْدَكْ (Karakhanid): duck

Definitions

Step	Language	Word	Meaning
1	Proto-Turkic	ȫrdek	duck

اُرْدَكْ — Etymology, Origin & Word History | Etymology Explorer