inopportunus
From LSJ
Μὴ σπεῦδε πλουτεῖν, μὴ ταχὺς πένης γένῃ → Ditescere properans, inops fies cito → Vermeide schnellen Reichtum, sonst verarmst du schnell
Latin > English (Lewis & Short)
ĭn-opportūnus:
I unfitting (late Lat.), Oros. c. Pelag. p. 618 (also a false reading in two places for importunus, Cic. de Or. 2, 5, 20; 3, 5, 18). — Hence, ĭnopportūnē, adv., unsuitably, untimely, Aug. c. Faust. 22, 72.