tristĭfĭcus — Lewis & Short
tristĭfĭcus, a, um, adj.tristis-facio,
I making sad, saddening:
voces, Cic. poët. Div. 1, 7, 13: tyrannus,Prud. Cath. 4, 76:
acetum acore,Macr. S. 7, 12, § 30.