ὤδινεν ὄρος, Ζεὺς δ' ἐφοβεῖτο, τὸ δ' ἔτεκεν μῦν → the mountain was in labor — even Zeus was afraid — but gave birth to a mouse
Ar. also P. βάσανος, ἡ. P. λίθος, ἡ (Plato, Gorg. 486D).