Where does “Анкара//Ankara” come from?

Анкара//Ankara (Serbo-Croatian) comes from Ottoman Turkish آنقره, from Ancient Greek Ἄγκυρα, from Proto-Indo-European ang- — joint; corner, hirn; joint; lith.

Ancestry of “Анкара//Ankara”, step by step

Step	Language	Word	Meaning
1	Ottoman Turkish	آنقره	—
2	Ancient Greek	Ἄγκυρα	Ancyra; Angora; Ankara, Turkey
3	Proto-Indo-European	ang-	joint; corner, hirn; joint; lith

Every word from Proto-Indo-European ang- →Every word from Ancient Greek Ἄγκυρα →Every word from Ottoman Turkish آنقره →