PS

*ṣVrnVˁ-at- - (kind of) skin disease (SED I No. 257; Kogan 2011: 230)

Akkadian
ṣernettu - a skin disease (CAD Ṣ 127, AHw. 1090)
Hebrew
ṣāraˁat - skin disease (not leprosy) (HALOT 1057)
Jewish Palestinian Aramaic
ṣrˁh - leprosy (DJPA 470)
det. ṣrˁth
Arabic
ṣamγat- - small swelling, pustule (BK 1 1372, Lane 1729)
May be related.
Arabic
ṣimγat- - sorte d'excroissance hideuse à voir sur les lèvres, sur le nez ou sur les oreilles (a kind of ugly growth seen on the lips, nose, or ears) (BK 1 1372)
May be related.
Geez
ṣərnəˁt - scab, malignant ulcer (CDG 564)