tomy

-tomy

a combining form meaning “cutting, incision” of an organ, “excision” of an object, as specified by the initial element (appendectomy; lithotomy ); also occurring in abstract nouns corresponding to adjectives ending in -tomous, (dichotomy ).
Compare -tome, tomo-, -tomous.


Origin:
representing Greek -tomia; see -tome, -y3

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World English Dictionary
-tomy
 
n combining form
indicating a surgical cutting of a specified part or tissue: lobotomy
 
[from Greek -tomia; see -tome]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

-tomy
comb. form meaning "a cutting," from Gk. -tomia "a cutting of," from tome "a cutting, section" (see tome).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

-tomy suff.
Act of cutting; incision: gastrotomy.

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