tetrinnio
tē̆trinnĭo, īre, v. n., to utter the natural cry of the duck,
- to quack, Auct. Carm. Philom. 22.
tetrinnio, īre, Naturlaut der Enten, schnattern, Anthol. Lat. 762, 22 (233, 22).
tetrinnĭō, īre, Philom. 22, ou tetrissĭtō, āre, intr., caqueter en parl. des canards : Suet. Frg. 161.