ἔφαλσις
From LSJ
σὺν Ἀθηνᾷ καὶ σὺ χεῖρα κινεῖ → God helps those who help themselves, God helps them that help themselves, heaven helps those who help themselves, the Lord helps those who help themselves, move your hand along with Athena, move your hand along with Minerva, fortune favors the prepared mind, fortune favours the prepared mind, chance favors the prepared mind, chance favours the prepared mind
English (LSJ)
εως, ἡ, A bouncing on to a surface, Arist.Pr.913b30 (s. v. l.).
German (Pape)
[Seite 1112] ἡ, das Darauflosspringen, der Angriff.
Greek (Liddell-Scott)
ἔφαλσις: -εως, ἡ, τὸ ἐφάλλεσθαι ἐπί τινος, Ἀριστ. Προβλ. 16. 4, 4.
Russian (Dvoretsky)
ἔφαλσις: εως ἡ прыжок, скачок Arst.