a combining form meaning “excision” of the part specified by the initial element, used in the formation of compound words: tonsillectomy.
Origin of -ectomy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
n combining form
indicating surgical excision of a partappendectomy
Word Origin for -ectomy
from New Latin -ectomia, from Greek ek- out + -tomy
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