PNWS

*dmy - to be like, resemble (HALOT 225, Kogan 2015:236)

no obvious cognates, with a possible exception of Tna. dämmäwä - ‘to be handsome, beautifuľ.

Akkadian
damtu - figure (of a man) (CAD D 74, CDA 55)
Var. dattu. The word may well be borrowed from Aramaic (hapax legomenon in a late lexical list), cf. Kogan 2015:234.
Hebrew
dmy - to be like, resemble (HALOT 225)
Syriac
dmy - to be like, similar (LSyr. 156, SL 308)
Syriac
dumyā - similarity; image, figure, form (LSyr. 156, SL 283)
Arabic
dumyat- - image, effigy (Lane 917)
Certainly borrowed from Aramaic.
Tigre
dumät - uncertain outlines of a figure or of an object (WTS 516)
Probably borrowed from Arabic dumyat- (Leslau 1990:176).