luctifer
From LSJ
ἐπὶ πολλῆς ἡσυχίας καὶ ἠρεμίας ὑμῶν → leaving you entirely at rest
Latin > English (Lewis & Short)
luctĭfer: fĕra, fĕrum, adj. luctus-fero,
I grief - bringing, mournful: illic luctifer bubo gemit, ill-boding, Sen. Herc. Fur. 687: annus, Val. Fl. 3, 454.
Latin > French (Gaffiot 2016)
lūctĭfĕr,¹⁶ ĕra, ĕrum (luctus, fero), porteur de deuil, malheureux : Val. Flacc. 3, 454 ; Sen. Herc. fur. 691.