ῥυζέω

A. like ῥάζω, growl, snarl, like an angry dog (Poll. 5.86), ῥύζων Hermipp. 24 (ῥυζῶν ap.Suid., cf. Hsch.); also of hawks, Poll. 5.89.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project