PCS

*gVb(b)ān- - eyebrow, front (SED I No. 69)

Hebrew
gibbēn - one having defective eyebrow (?) (HALOT 174)
The context of Lv 21: 20 rather points to this meaning (cf. [Ja. 207]); usually understood as ‘hump-backed’.
Official Aramaic
gbyn - forehead (DNWSI 209)
Jewish Palestinian Aramaic
gbyn - eyebrow (DJPA 119)
Syriac
gbinā - eyebrows; summit, peak (LSyr. 102, SL 200)
Syriac
gbintā - eyebrows (LSyr. 102, SL 201)
Mandaic
gbina, gbana - brow, eyebrow, eyelash (MD 79)
Arabic
ˀal-ǯabīnāni - the two ends of the forehead (BK 1 250, Lane 377)