Where does “sphenoidectomy” come from?

sphenoidectomy (English) comes from English sphenoid, from New Latin sphenoides, from Ancient Greek σφηνοειδής, from Ancient Greek -ειδής, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

sphenoidectomy (English): The opening of the sphenoid sinus; the removal of the sphenoid bone

Definitions

  1. The opening of the sphenoid sinus; the removal of the sphenoid bone

Ancestry of “sphenoidectomy”, step by step

sphenoidectomy traces back through two separate lines of ancestry.

via English sphenoid

StepLanguageWordMeaning
1EnglishsphenoidHaving a wedged shape; Relating to the compound...
2New LatinsphenoidesShaped like a wedge
3Ancient GreekσφηνοειδήςWedge-shaped
4Ancient Greek-ειδήςlike, connected to, from the nature of, full of;...
5Ancient Greek-ήςadjective suffix
6Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
7Proto-Indo-European-ess
8Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

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 -os