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ὤδινεν ὄρος, Ζεὺς δ' ἐφοβεῖτο, τὸ δ' ἔτεκεν μῦν → the mountain was in labor — even Zeus was afraid — but gave birth to a mouse
P. and V. δυσχέρεια, ἡ, V. βάρος, τό.
terribleness: P. δεινότης, ἡ.