G / grŭo
verb intransitive

grŭo

2nd PP gruĕre · conj. 3rd
grus, the note of the crane
to crunk; crunkle
to crunk, crunkle: gruere dicuntur grues, ut sues grunnire, Paul. ex Fest. p. 97: grus gruit, Auct. Carm. de Philom. 23.