ὤδινεν ὄρος, Ζεὺς δ' ἐφοβεῖτο, τὸ δ' ἔτεκεν μῦν → the mountain was in labor — even Zeus was afraid — but gave birth to a mouse
ἄγνος, ἀμικτομίαινον, ἄγνον, ἄγονος, ἀγναβόν