Where does “phrenectomy” come from?

phrenectomy (English) comes from English ectomy, from English -ectomy, from Ancient Greek ἐκτομή, from Ancient Greek ἐκτέμνω, from Ancient Greek τέμνω, from Proto-Indo-European -né- — Forms mostly transitive imperfective verbs from...

phrenectomy (English): The severing of the phrenic nerve

Definitions

  1. The severing of the phrenic nerve

Ancestry of “phrenectomy”, step by step

phrenectomy traces back through two separate lines of ancestry.

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...

via English phren

StepLanguageWordMeaning
1EnglishphrenThe brain or mind; The diaphragm
2Ancient GreekφρήνThe midriff, stomach and lower chest or breast;...
3Proto-Indo-Europeangʷʰren-soul, mind; mind; an internal part of the body
Every word from Proto-Indo-European -né-Every word from Ancient Greek τέμνωEvery word from English -ectomy