δύσομβρα

From LSJ

Μία χελιδὼν ἔαρ οὐ ποιεῖ → One swallow does not a summer make

Aristotle, Nicomachean Ethics, 1098a18

German (Pape)

[Seite 685] βέλη, Soph. Ant. 355, widrige Regengüsse.