[1] Same entry in other lexica; similar one in Hesychius, where the headword is glossed with e)lqe/tw and Latte claims it as quoted from Homer, Iliad 7.75. There, in fact, this third person singular imperative of ei)=mi is spelled, more correctly, i)/tw (iota 748).
[2] That is, ei)/ tw| with the dative singular tw| of the indefinite pronoun instead of tini.