Kaṇṇavant (adjective) [from kaṇṇa] having an (open) ear, i.e. clever, sharp Ja II 261 (= kaṇṇachiddaṃ pana na kassaci n'atthi commentary).
(adj, adj, from kaṇṇa) discerning; able to listen and understand [lit.] having ear quality Construction: kaṇṇa + vant