צָהַל tsâhal (H6670)

to gleam, i.e. (figuratively) be cheerful; by transference to sound clear (of various animal or human expressions)

1) to neigh, cry shrilly 1a) (Qal) 1a1) to neigh (of men as stallions-fig.) 1a2) (Piel) to cry shrilly (in distress) 2) (Hiphil) to make shining

a primitive root;