(Aramaic) probably from the corresponding to 'esh; probably a fire-place, i.e. Furnace -- furnace.
see HEBREW 'esh
H861. attun
אַתוּן noun masculineDaniel 3:19 (probably femininevDaniel 3:26) furnace (probably loan-word from Assyrian utûnu, atûnu, id., [also Tel Amarna], DHMVOJ 1.23 Buhl; Syriac hence Arabic as loan-word Frä26; Ethiopic Di763; conjectures on etymology in K§ 59 Anm. LagBN 111); — construct ׳א 3:6, 11, 15, 17, 20, 21, 23, 26; emphatic אַתוּנָא 3:19, 22.
אִתַי see אִיתַי.