DEFINITION of -schisis

split, cleft, fissure


ETYMOLOGY of -schisis

greek

ComponentOriginMeaning
-schisis / schiz- / schist-Greek σχίζειν (skhizein), from σχῖσις (skhisis)“split,” “cleft,” “fissure” — condition-denoting suffix or combining form referring to splitting, cleft, or division

The word entered English in the 1870s as schistosoma (noun), borrowed from Modern Latin schistosoma, from Greek σχῖσις (skhisis) — literally “a splitting” (from skhizein “to split”). The term schizophrenia was coined in the 1910s by Eugen Bleuler. The root skhizein (“to split”) connects -schisis to the entire division and cleft roots: schizophrenia (schizo- + phren + -ia split mind), myeloschisis (myelo- + schisis splitting of the spinal cord), and schistosomiasis (schisto- + soma + -iasis disease caused by the split-body worm). The condition-denoting suffix/combining form -schisis is productive in neurosurgery, psychiatry, and parasitology: e.g., encephaloschisis, meningoschisis, labioschisis, urethroschisis, and schizocytosis.


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