Where does “آقحصار” come from?

آقحصار (Ottoman Turkish) comes from Ottoman Turkish آق, from Proto-Turkic Āk — white.

Ancestry of “آقحصار”, step by step

آقحصار traces back through two separate lines of ancestry.

via Ottoman Turkish آق

StepLanguageWordMeaning
1Ottoman Turkishآقwhite
2Proto-TurkicĀkwhite

via Ottoman Turkish حصار

StepLanguageWordMeaning
1Ottoman Turkishحصارcastle, fortress, stronghold
2Arabicحِصَار—
Every word from Proto-Turkic Āk →Every word from Ottoman Turkish آق →