Same entry in other lexica, beginning with Hesychius epsilon6878. The headword is a very rare noun, here in the dative plural (variously transmitted as eu)quepi/ais and eu)quepei/ais, the latter deemed to be the more correct). It must be quoted from somewhere, perhaps from the Florilegium Cyrillianum (ed. R. Hespel).
In any event, the glossing noun is scarcely less rare, but see e.g. Plato, Sophist 239B.