PS

*bVhVḳ- - (kind of) skin disease (SED I No. 33; Kogan 2011: 230)

Hebrew
bōhaḳ - skin rash (HALOT 112)
Hebrew
bōhaḳ - white scurf (Jastrow 143)
pB.
Hebrew
băhăḳān - one having an eruption resembling leprosy (Jastrow 143)
pB.
Syriac
behḳītā - pimples, pustules (LSyr. 61, SL 122)
Mandaic
baḳiata - decay, gangrene (MD 49)
Arabic
bahaq- - mild species of leprosy (BK 1 172, Lane 267)
Tigre
bähaḳ - blisters (WTS 267)
In view of no other Eth. parallels can be an Arabism.
Mehri
bəhyōḳ - a condition in which the sufferer has colourless patches on his skin (ML 45)
Jibbali
bhɔḳ - white patches on the skin (JL 24)
Harsusi
bihōḳ - the state of having uncoloured patches on the skin (HL 16)