ModL < Gr schizein, to cleave, cut < IE *skeid- < base *skei-, to cut, separate > shin1, L scindere, to cut
schizo in American English
(ˈskɪtsou) (nounplural schizos)
offensive, informal
noun
1.
a schizophrenic or schizoid person
adjective
2.
schizophrenic or schizoid
3.
crazy; wildly eccentric; lunatic
Also (for defs. 1, 2): schitzo, schitz, schiz
Word origin
[1940–45; by shortening; cf. -o]This word is first recorded in the period 1940–45. Other words that entered Englishat around the same time include: Rh factor, debrief, redline, sealant, zap-o is a suffix occurring as the final element in informal shortenings of nouns (ammo; combo; condo; limo; promo); -o also forms nouns, usually derogatory, for persons or things exemplifying or associatedwith that specified by the base noun or adjective (cheapo; pinko; sicko; weirdo; wino)