a combining form meaning “body,” used in the formation of compound words: somatotonia.
Also especially before a vowel, somat-.

Origin of somato-

< Greek sōmato-, combining form equivalent to sōmat- (stem of sôma body) + -o- -o- Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for somato-


before a vowel somat-

combining form


Word Origin for somato-

from Greek sōma, sōmat- body
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for somato-


before vowels somat-, word-forming element meaning "the body of an organism," from comb. form of Greek soma (genitive somatos) "the body, a human body dead or living, body as opposed to spirit; material substance; mass; a person, human being; the whole body or mass of anything," of uncertain origin.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for somato-



The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.