Derived from Middle Persian ʾdwynk' (ēwēnag, “mirror”), from Old Iranian *ādainakah, from Proto-Iranian *daiH- (“to look, see”). Related to دیدن (didan, “to see, look”), Baluchi آدینک (adí̃k), Lurish ۏیینںە (öyinə), Ossetian айдӕн (ajdæn, “mirror”).