ῥοῖζος

Etymology
According to Beekes, if related to, this word is certainly of origin, but even if unrelated, such an origin may still be considered.

Noun

 * 1) whistling or whizzing of an arrow or of a scourge
 * 2) any whistling or piping sound
 * 3) rush of wings, of the sea or of a stream
 * 4) hissing of a serpent
 * 5) rushing motion, rush, swing