κινώπετον
From LSJ
ἡ γὰρ συνήθεια δεινὴ τοῖς κατὰ μικρὸν ἐνοικειουμένοις πάθεσι πόρρω προαγαγεῖν τὸν ἄνθρωπον → for habituation has a strange power to lead men onward by a gradual familiarization of the feelings
English (LSJ)
τό,
A venomous beast, esp. serpent, Call.Jov.25, Nic.Th. 27, 195:—also κῐνωπ-ηστής, οῦ, ὁ, ib.141.