Eurasiatic: *[š]irP(T)V ?
Meaning: fibre, thick hair
Comments: Kartv. - quite irregular (or indeed 2 roots?)
References: ND 2170 *šü/iRdV 'fibre (used as thread)' (+ Arab.?); 2224 *ŝe/i[ʔV]RbV 'coarse hair, eyebrow' (Alt. + Kartv. + Sem.). nostret-meaning,nostret-alt,nostret-ura,nostret-kart,nostret-notes,nostret-reference,