LSJ
only in aor. inf. and part. κανάξαι, -άξας, pour with a gurgling sound, Hsch. ; τὸ ἐκκενῶσαι ἢ ἐκπιεῖν κανάξαι λέγουσι Poll. 10.85; elsewh. only in compds. δια-, ἐγ-, ἐκ-κανάσσω ; cf. καναχέω.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)