Same entry in Photius (pi1214 Theodoridis) and the Lexica Segueriana. The headword is first person plural, aorist indicative middle, of proaire/w. It must be quoted from somewhere; perhaps Demosthenes (54.24) or Plato (Politicus 281C, 292B), though there are later alternatives. In any event, the gloss seems a poor fit.
cf. pi 2374, pi 2406.