PS

*ˀimm- - mother (DRS 22; Kogan 2014: 88)

Akkadian
ummu - mother (CAD U/W 120-131; AHw. 1416)
Ebla
ù-mu-mu - mother (VE 1044; Krebernik 1983: 37)

equated to Sum. AMA.MU

Ugaritic
ˀum - mother (DUL 69)
Hebrew
ˀēm - mother (HALOT 61)
Syriac
ˀemmā - mother (LSyr. 23)
Arabic
ˀumm- - mother (Lane 89)
Sabaic
ˀm - mother (SD 5)
Minaean
ˀm - mother (LM 5)
Geez
ˀəmm - mother (CDG 22)
Argobba
əm - mother (Leslau 1997: 190)
Mehri
ḥām - mother (ML 5)
Jibbali
ˀɛ́m - mother (JL 3)
Soqotri
ɛ́ˀɛmhɛ, ɛ́mhɛ- - mother (LS 62, CSOL II)

with pronominal suffixes only