Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
περιφράξαι to enclose LXX.1Kgs.9.15
περιέφραξασ enclosed LXX.Job.1.10

Liddell-Scott-Jones

περιφράσσω (periphrassō) to enclose G:V

περιφράσσω,

Attic dialect περιφράττω, fence, fortify all round, ἐμαυτόν [Refs 5th c.BC+]; of armour, [Refs 3rd c.AD+]; enclose, περόνη π. λίθον [Refs 6th c.AD+]:—middle, separate off for oneself, μέρος [τῆς στοᾶς] αὐλαίᾳ [Refs 4th c.BC+]:—passive, πίλοις περιπεφραγμένα [LXX+5th c.BC+]; to be obstructed, falsa lectio for παραφρ-in [Refs 2nd c.AD+]

__2 make a dam, φρυγάνοις καὶ λίθοις [Refs 4th c.BC+]

LSJ Scripture Refs: LXX.Ps.30.22*