Akkadian

dīmtu - tear (CAD D 147, AHw. 171)

PS
*dVmˁ-at- - tear(-drop) (SED I No. 51; Kogan 2011: 226)
Note Arb. damˁ- with -­a-­ vs. -­i-­ in other Sem., likely under the influence of ­-ˁ-. Attested everywhere except Eth.; in MSA borrowing from Arb. cannot to be excluded.