Akkadian

dīšu - growth, spring; grass (CAD D 163, AHw. 173)

See discussion in Kogan 2012: 231

PS
*daṯˀ- - grass; herb; spring (Fronzaroli 1965a: 142, 148, 150, Fronzaroli 1968: 275; Fronzaroli 1969a: 275, 289, 299; Kogan 2011: 200; Kogan 2012: 231)