Akkadian

dimtu - tower; fortified area (CAD D 144; AHw. 170)

PS
*daymat- - enclosed area (Kogan–Krebernik 2021a:394; Naumkin et al. 2016b:65)

From among the exclusive Akkadian-‘South Semitic’ isoglosses. Comparable terms are well attested in Arabic dialects of Yemen: daymaʰ ‘cottage, small house’ (Piamenta:163; Behnstedt:399-400, with discussion).