improspere
From LSJ
Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
Latin > French (Gaffiot 2016)
improspĕrē¹⁵ (in, prospere), sans succès : Col. Rust. 1, 1, 16 ; Tac. Ann. 1, 8 ; Gell. 9, 9, 12.
Latin > English
improspere ADV :: unfortunately
Latin > German (Georges)
imprōsperē, Adv. (in u. prospere), unglücklich, Colum. 1, 1, 16. Tac. ann. 1, 8. Gell. 9, 9, 12. Vgl. Wölfflin im Archiv 14, 184.