Ἐφύρα
From LSJ
ὤδινεν ὄρος, Ζεὺς δ' ἐφοβεῖτο, τὸ δ' ἔτεκεν μῦν → the mountain was in labor — even Zeus was afraid — but gave birth to a mouse
English (LSJ)
[ῠ], Ion. Ἐφύρη, ἡ, Ephyra, old name of Corinth, Il.6.152; also perh. of other cities in Elis and Thesprotia, Sch. Od.1.259, 2.328:—hence Ἐφύρ-ηθεν, A.R.4.1212: