Likewise or similarly in other lexica. The headword is feminine accusative singular, present participle, of ei)=mi; it is probably quoted from Homer, Iliad 3.154 (where it is used of Helen: web address 1).
cf. iota 418 for the masculine nominative plural, with the same verb as gloss.
cf. scholion to Homer, Iliad 1.482 (feminine genitive singular, of a ship; again, same gloss).