cuckoo
From LSJ
ἡδονήν, μέγιστον κακοῦ δέλεαρ → pleasure, the greatest incitement to evildoing | pleasure, a most mighty lure to evil | pleasure, the great bait to evil
the sound of the cuckoo: Ar. κόκκυ.
cry cuckoo, verb intransitive: Ar. κοκκύζειν.