Akkadian

dibiru - a calamity (CAD D 134, AHw. 168)

Unclear According to CAD, probably a logogram the reading of which is unknown (a Sumerism?) in one context used together with mūtānu (’calamity and pestilence’?). This word is reasonably compared to Hbr. and Arb. by von Soden.

PS
*da/ib(a)r- - pestilence, plague (SED I No. 45)