Usage: 2 forms in 2 verses
Form Translated As     In Verse(s)
περισχίζοντοσ splitting LXX.Ezek.48.1
περιεσχισμένοι having split LXX.Isa.36.22

Liddell-Scott-Jones

περισχίζω (perischizō) to split G:V

περισχίζω-σχίζω,

slit and tear off, ἐσθῆτα [Refs 1st c.AD+]; slit open, [Refs 4th c.BC+]:—passive, π. τῷ μετώπῳ κόμη [Refs 2nd c.AD+]

__II passive, of a river, περισχίζωσχίζεσθαι τὸν χῶρον to split round a piece of land, i.e. divide into two branches and surround it, [Refs 5th c.BC+]: absolutely, of a stream of men, part and go different ways, περισχίζωεσχίζοντο ἔνθεν καὶ ἔνθεν [Refs 5th c.BC+]; of light, αὐγὴ πολλαχοῦ π. [Refs 4th c.BC+]; of sound, [Refs 2nd c.AD+]
__III strip of all his clothes, τινα [Refs 2nd c.AD+]