ταυροκτονεῖν
From LSJ
Νέοις τὸ σιγᾶν κρεῖττόν ἐστιν τοῦ λαλεῖν → Sermone melius est iuveni silentium → Es schweigen besser, statt zu schwätzen, junge Leut'
Greek > English (Woodhouse Verbs Reversed)
(see also: ταυροκτονέω, ταυροκτονῶ) kill bulls, sacrifice bulls