Where does “pseudocyst” come from?

pseudocyst (English) comes from English pseudo, from English pseudo-, from Ancient Greek ψευδής, 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;...

pseudocyst (English): A pathological collection of fluid, differing...

Definitions

  1. A pathological collection of fluid, differing...

Ancestry of “pseudocyst”, step by step

pseudocyst traces back through two separate lines of ancestry.

via English pseudo

StepLanguageWordMeaning
1EnglishpseudoAn intellectually pretentious person; a...
2Englishpseudo-False, not genuine, fake
3Ancient Greekψευδήςlying, false, untrue; deceived, beguiled
4Ancient Greek-ήςadjective suffix
5Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
6Proto-Indo-European-ess
7Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

via English cyst

StepLanguageWordMeaning
1EnglishcystA pouch or sac without opening, usually...
2Latincystiscyst
3Ancient Greekκύστιςbladder
4Proto-Indo-European(s)kewH-to cover, bedeck; cover
Every word from Proto-Indo-European -os