ου (ὁ) :
   I bruit intense, d’où :
      1 sifflement (d’un trait, IL. 16, 361 ; du vent, PLUT. M. 18 b ; d’un serpent, A.RH. 4, 138, 1543 ; d’une flûte de berger, OD. 9, 315) ;
      2 battement d’ailes, EL. N.A. 2, 26 ;
      3 bruit sourd, grondement d’un courant, EL. N.A. 17, 17 ;
      4 bruit ronflant, ronflement, en parl. de la prononciation de certaines lettres, ARSTT. Aud. 35 ; particul. de la lettre ρ, DH. Comp. 14 ;
   II p. suite, fig. impétuosité, PLUT. Marc. 15, Demetr. 21.

ὁ, Ion. ἡ, whistling or whizzing of an arrow, Il. 16.361, cf. Plu. Marc.. 15, Onos. 19.3, etc. ; of a scourge, Oppian. H. 2.352; any whistling or piping sound, as of a shepherd, πολλῇ ῥ. Od. 9.315; πνευμάτων ῥ. Plu. 2.18c; rush of wings, LXX Wi. 5.11, Ael. NA 2.26; of a stream, LXX Ez. 47.5, Ael. NA 17.17; of the sea, Hymn.Is. 150; of the noise of a falling tree, Q.S. 1.251; hissing of a serpent, A.R. 4.138, 1543; used of the sound made by filing, Arist. Aud. 802a39; of the letter ρ, Phld. Po. Herc. 994.29, D.H. Comp. 14, S.E. M. 1.102.
rushing motion, rush, swing, Plu. Marc.. 15, Demetr. 21, Epic. in Arch.Pap. 7 p. 4.

ὁ, ion. ἡ, Geräusch, Gesause, Geschwirr, womit ein Körper sich bewegt ; vom Sausen der Pfeile, Il. 16.361 ; vom Pfeifen der Hirten, πολλῇ ῥοίζῳ, Od. 9.315 ; die Schnelligkeit, Gewalt.eines bewegten Körpers, Sp., vgl. Opp. Hal. 2.352 ; Luc. amor. 6 ; Plut. Marcell. 15.

1. the whistling or whizzing of an arrow, [Iliad by Homer (8th/7th c.BC)]:—;any whistling or piping sound , as of a shepherd, [Odyssey by Homer (8th/7th c.BC)]
2. rushing motion, a rush, swing , [Plutarch (1st/2nd c.AD)]
Formed from the sound. (ML)