- a dividing: dichotomy
- an incision; a (specified) surgical operation: ovariotomy,lobotomy
Origin of -tomyModern Latin -tomia from Classical Greek from tom?, a cutting from temnein, to cut from Indo-European base an unverified form tem-, to cut from source Classical Latin tondere, to shear
Act of cutting; incision: gastrotomy.
Origin of -tomyNew Latin -tomia from Greek -tomiā from tomos a cutting from temnein to cut ; see tem- in Indo-European roots.