PWS

*ṣhl - to neigh (Kogan 2015: 126)

Hebrew
ṣhl - to neigh (HALOT 1007)
Syriac
ṣhl - to neigh (LSyr. 622, SL 1276)
Arabic
ṣhl - to neigh (Lane 1738)
Mehri
ṣəhēl - to neigh, whinny (ML 360)
Jibbali
ṣɛhέl - to whinny, neigh; to yell (JL 237)