Where does “egoitis” come from?

egoitis (English) comes from English ego, from Latin egō, from Proto-Italic egō, from Proto-Indo-European éǵh₂ — I.

egoitis (English): A notional disease characterised by an overblown...

Definitions

  1. A notional disease characterised by an overblown...

Ancestry of “egoitis”, step by step

egoitis traces back through two separate lines of ancestry.

via English ego

StepLanguageWordMeaning
1EnglishegoThe self, especially with a sense of...
2LatinegōI; first person singular personal pronoun, nominative case
3Proto-ItalicegōI
4Proto-Indo-Europeanéǵh₂I

via English itis

StepLanguageWordMeaning
1EnglishitisA medical condition accompanied by inflammation;...
2English-itisSuffix denoting diseases characterized by...
3New Latin-ītis
4Ancient Greek-ῖτιςfemale equivalent of -ίτης
Every word from Proto-Indo-European éǵh₂Every word from Proto-Italic egōEvery word from Latin egō