(Aramaic) from a root meaning to stick; a layer (of building materials) -- row.
H5073. nidbak
נִדְבָּךְ noun masculine row or layer, course (ᵑ7 Late Hebrew id.; Late Hebrew also מִדְבָּךְ id. (LevyNHWB iii. 23), compare as loan-word Frä12; borrowed from Assyrian nadbaku, mountain-slope according to DlPr 150 (compare BaZA ii. 115 f. HptGN 1883, 96; BAS i. 8.15), but meaning not very suitable NöZMG xi (1886), 733 MeyEntst. J. 46); — absolute ׳נ Ezra 6:4, plural נִדְבָּכִין 6:4.