Likewise in other lexica. The headword -- aorist active participle, masculine (and neuter) genitive singular, of the verb peristoixi/zw -- is taken to be quoted from Josephus, Antiquities of the Jews 17.33: web address 1. (If so, used here -- as also in pi 1311, q.v. -- in a figurative sense. For a literal one, see under alpha 2220.)