PS

*ḥamāt- - mother-in-law (Kogan 2011: 236; Kogan 2014: 101)

Akkadian
emētu - mother-in-law (CAD E 154, AHw. 214)
Hebrew
ḥāmōt - mother-in-law (HALOT 327)
Hbr. ḥām and ḥāmōt are restricted to the parents of the husband
Syriac
ḥmātā - mother-in-law (LSyr. 242, SL 469)
Arabic
ḥamāt- - mother-in-law (Lane 650)
Ar. ḥam-, ḥamāt- tend to be restricted to the parents of the husband
Geez
ḥamot - mother-in-law (LLA 77)
Mehri
ḥəmáyt - mother-in-law (ML 180)
Soqotri
ḥem- - brother-in-law (Naumkin et al. 2015a:71)
Soqotri
ḥámit- - sister-in-law (brother’s wife or wife’s sister) (LS 178; CSOL I 559)