1. an invention, discovery , (Euripides), etc.

2. with genitive an invention, for or against a thing, a remedy , (Euripides)

3. that which is found unexpectedly , i. e. much like Ἕρμαιον, a piece of good luck, godsend, windfall, prize , (Herdotus Historicus), etc.

4. of a child, a foundling , (Sophocles Tragicus) (ML)