Ἰθωμήτης

From LSJ

τὸ δ' ἐξαίφνης τὸ ἐν ἀναισθήτῳ χρόνῳ διὰ μικρότητα ἐκστάν → suddenly refers to what has departed from its former condition in a time imperceptible because of its smallness

Source

Russian (Dvoretsky)

Ἰθωμήτης: ου adj. m итомский (эпитет Зевса по его храму на горе Ἰθώμη в Мессении) Plut.