-ectomy

-ectomy

a combining form meaning “excision” of the part specified by the initial element, used in the formation of compound words: tonsillectomy.

Origin:
< Neo-Latin -ectomia. See ec-, -tomy

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Collins
World English Dictionary
-ectomy
 
n combining form
indicating surgical excision of a part: appendectomy
 
[from New Latin -ectomia, from Greek ek- out + -tomy]

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

-ectomy
"surgical removal," from Gk. -ektomia "a cutting out of," from ektemnein "to cut out," from ek "out" + temnein "to cut" (see tome).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

-ectomy suff.
Surgical removal: tonsillectomy.

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