Proto-MSA

*ḥā̆wVr - black (Kogan 2015: 541)

According to Bulakh 2004:273-274, the term for “black” in Soqotri, as well as in other MSA, can be related to Arb. ḥawar- ‘intense whiteness of white of the eye and intense blackness of the black thereof’, in its turn connected with Common Aramaic *ḥwr ‘to be white’. (Kogan 2015: 541)

PWS
*ḥwr - to be black on white or white on black (Kogan 2005c:191)

Mehri
ḥōwər - black (ML 195)
Jibbali
ḥɔ́r - black (JL 120)
Harsusi
ḥéwer - black (HL 64)
Soqotri
ḥáher - black (LS 166, 168; CSOL I 554; CSOL II 488)