-ectomy


a combining form meaning “excision” of the part specified by the initial element, used in the formation of compound words:
tonsillectomy.
-ectomy
combining form
indicating surgical excision of a part appendectomy
word origin
from new latin -ectomia, from greek ek- out + -tomy
-ectomy
“surgical removal,” from gk. -ektomia “a cutting out of,” from ektemnein “to cut out,” from ek “out” + temnein “to cut” (see tome).

-ectomy suff.
surgical removal: tonsillectomy.

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