perniciabilis
From LSJ
Ὅτ' εὐτυχεῖς, μάλιστα μὴ φρόνει μέγα → Minus insolesce, quo magis res prosperae → Wenn du im Glück bist, brüste dich am wenigsten
Latin > English (Lewis & Short)
pernĭcĭābĭlis: e, adj. pernicies,
I destructive, ruinous, pernicious: id perniciabile reo, Tac. A. 4, 34: nix oculis perniciabilis, Curt. 7, 3, 13: pestilentia quae magis in morbos longos quam in perniciabilis evasit, Liv. 27, 23, 7.
Latin > French (Gaffiot 2016)
pernĭcĭābĭlis,¹⁵ e (pernicies), pernicieux, funeste : Liv. 27, 23, 6 ; Curt. 7, 3, 13 ; Tac. Ann. 4, 34.