pestifere
From LSJ
εὐκαταφρόνητός ἐστι σιγηρὸς τρόπος → a way of life disposed to silence is contemptible (Menander)
Latin > French (Gaffiot 2016)
pestĭfĕrē, d’une manière désastreuse : Cic. Leg. 2, 13.
Latin > German (Georges)
pestiferē, Adv. (pestifer), verderblich, schädlich, Cic. de legg. 2, 13.