Likewise or similarly in other lexica; references at Photius pi590 Theodoridis. The headword is aorist middle participle of pe/kw, masculine nominative singular. Not independently attested, it might nevertheless be quoted from somewhere in its own right; but cf. Hesychius pi1419 (on Homer, Iliad 14.176, where the corresponding feminine occurs, of Hera: web address 1).
For this verb, see already pi 918.