ῥέγχω

A. snore, A. Eu. 53, Eup. 267, Ar. Nu. 5, al.; of horses, snort, E. Rh. 785; of a dolphin asleep, Arist. HA 537b3, 566b15:—in Ar. Eq. 115 also in Med. ῥέγκεται, but (as Sch. observes) only to balance πέρδεται; but cf. ll. cc. infr.—The form ῥέγχω occurs in Hp. Aph. 6.51, Arist. ll. cc., Men. Mon. 711, Herod. 8.2, LXX Jn. 1.5,6, Orph. Fr. 148: Med., τῆς πλευρᾶς ῥέγχομαι I am wheezing from my lung, POxy. 1414.26 (iii A.D.), cf. AP 11.343.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project