خاقان • (xâqân)
From Persian خاقان (xâqân).
خاقان • (xāqān) m (Hindi spelling ख़ाक़ान)
From Middle Persian hʾkʾn' (xāgān), from Old Turkic 𐰴𐰍𐰣 (qaɣan). Compare Turkish kağan, hakan.