(Aramaic) from a root corresponding to that of ed; a set time; technically, a year -- time.
see HEBREW ed
H5732. iddan
עִדָּן noun masculineDaniel 2:9 time (ᵑ7 id., Syriac , perhaps loan-word from Assyrian adannu, fixed, appointed, or definite, time; [Arabic probably Aramaic loan-word, SchwZMG liii (1899), 197]); — absolute ׳ע 7:12 +; emphatic עִדָּנָא 2:8 +; plural absolute עִדָּנִין 4:13 +, emphatic עִדָּנַיָּא 2:21; —
1 in General, time, as duration Daniel 2:8; 7:12; involving specific conditions 2:9, 21; (point of) time 3:5, 15.
2 definite time, = year (as modern Greek χρόνος, see EASophocles1173): ע ׳שִׁבְעָה = seven years, Daniel 4:13; 4:20; 4:22; 4:29; עִדָּן וּפְלַג וְעִדָּנִין עִדָּן 7:25 (i.e. 3 2-Janyears, see Dr; perhaps read dual for plural, compare Bev GunkSchöpf. 201).