Where does “جامدان” come from?
جامدان (Ottoman Turkish) comes from Persian جامهدان, from Persian دان, from Persian دانستن, from Middle Persian YDOYTWN-stn', from Indo-Iranian *ȷ́ānáHti, from Proto-Indo-European ǵn̥néh₃ti, from Proto-Indo-European ǵneh₃- — to know.