| 1 | English | ectomy | Any operation involving surgical excision or... |
| 2 | English | -ectomy | Excision of; Surgical removal of |
| 3 | Ancient Greek | ἐκτομή | a cutting out; a segment |
| 4 | Ancient Greek | ἐκτέμνω | to cut out; to castrate; to divide, zone |
| 5 | Ancient Greek | τέμνω | I cut, hew; I maim, wound; I butcher, sacrifice |
| 6 | Proto-Indo-European | -né- | Forms mostly transitive imperfective verbs from... |