γογγύζω

A. mutter, murmur, grumble, ἐπί τινι LXX Nu. 14.29, cf. 17.5; κατά τινος Ev.Matt. 20.11; περί τινος Ev.Jo. 6.41, etc.: abs., PPetr. 3p.130 (iii B. C.), LXX Nu. 11.1, POxy. 33 iii 14 (ii A. D.), Arr. Epict. 1.29.55.
2. of doves, coo, Poll. 5.89. (Cf. Skt. ga[ndot ]gūyati 'utter cries of joy'.)
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project