-cis- / incision

[UPDATED] This is a medical term derived from the Latin [incisus] or [incisura], meaning "to cut". The Greek word [Τομή] (tomí) from which the suffixes [-otome], or [-otomy] derive, have a similar meaning.

The root term is [-cis-] and uses of this term include:

Incision : "To cut in" • Incisive: Something that "cuts in"

Incisor: Refers to a type of tooth that has a "cutting in" action

Excision: The prefix [ex-] means "out" or "outside". To cut out, or to extirpate. See the meaning of the suffix [-ectomy] here

Circumcision: The prefix [circum-] means "around", or "in a circle". To cut around (in a circle)

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