Inherited from Proto-Indo-Iranian *dʰayHanā-.
Cognate with Persian دین (din), Parthian 𐫅𐫏𐫗 (dyn /dēn/, “religion”), Sanskrit ध्यान (dhyāna) (whence zen), and Old Armenian դեն (den), an Iranian borrowing.
𐬛𐬀𐬉𐬥𐬁 • (daēnā)
