Brown-Driver-Briggs (BDB)
BDB9270 H116
BDB9269 | BIBLICAL ARAMAIC | BDB9271
אֱדַ֫יִן57 adverb then, thereupon (so Egyptian Aramaic S-CPap. H 1, J 1), not ᵑ7: the usually Aramaic forms are הֵידֵין , Mandean האידין (NöM 207); from [אֱדַי] = Biblical Hebrew אֲזַי (see אָז) + determ. affix n (as in דִּכֵּן, תַּמָּן; in Sabean = post-positive article; HomChr. § 57: compare WCG 115), NöGGA 1884, 1020: אֲזַי, [אֱדַי], probably from same demonstrative √ as זֶה, דָּא, דִּי, etc., , , lo well then, in that case, Ethiopic : when? : now (DiLex. 197, 1072), Syriac (enclitic) but); — then, thereupon, Dan 2:15; Dan 2:17; Dan 2:19; Dan 2:25; Dan 2:48; Dan 3:24 +, Ezra 4:9; Ezra 4:23; Ezra 5:4; Ezra 5:9 + (always, except Ezra 5:5, at beginning of sentence, introducing new stage of narrative with some emphasis); so with בְּ, בֵּאדַיִן (3 t. Ezra, 26 t. Daniel) Dan 2:14; Dan 2:35; Dan 2:46; Dan 3:3; Dan 3:13; Dan 3:19; Dan 3:21 (twice in verse); Dan 3:26, etc., Ezra 4:24; Ezra 5:2; Ezra 6:1 מִןאֱֿדַיִן from that time Ezra 5:16.