Where does “sectorectomy” come from?

sectorectomy (English) comes from English sector, from Latin sector, from Latin -tor, from Proto-Italic -tōr, from Proto-Indo-European -tōr, from Proto-Indo-European -tor-s.

sectorectomy (English): Excision of a sector of the liver

Definitions

  1. Excision of a sector of the liver

Ancestry of “sectorectomy”, step by step

sectorectomy traces back through two separate lines of ancestry.

via English sector

StepLanguageWordMeaning
1Englishsectorsection; zone; part of a circle, extending to the...
2LatinsectorOne who cuts or cuts off, cutter; A purchaser or...
3Latin-tor-er
4Proto-Italic-tōrForms agent nouns to verb stems
5Proto-Indo-European-tōrDerives agent nouns from verbs, denoting someone...
6Proto-Indo-European-tor-s

via English ectomy

StepLanguageWordMeaning
1EnglishectomyAny operation involving surgical excision or...
2English-ectomyExcision of; Surgical removal of
3Ancient Greekἐκτομήa cutting out; a segment
4Ancient Greekἐκτέμνωto cut out; to castrate; to divide, zone
5Ancient GreekτέμνωI cut, hew; I maim, wound; I butcher, sacrifice
6Proto-Indo-European-né-Forms mostly transitive imperfective verbs from...
Every word from Proto-Indo-European -tor-sEvery word from Latin -torEvery word from Latin sector