Why is the ninth month called September?
word-forming element meaning "division; split, cleavage," from Latinized form of Greek skhizo-, comb. form of skhizein "to split, cleave, part, separate," from PIE root *skei- "to cut, separate, divide, part, split" (see shed (v.)).
schizo- or schiz-
Split; cleft: schizotrichia.
Cleavage; fission: schizogenesis.