Where does “adenoidalny” come from?

adenoidalny (Polish) comes from English adenoid, from French adénoïde, from New Latin adenoīdēs, from Ancient Greek ᾰ̓δενοειδής, from Ancient Greek -ειδής, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess — Creates action nouns or result nouns from verbs;...

Ancestry of “adenoidalny”, step by step

StepLanguageWordMeaning
1EnglishadenoidOf or relating to lymphatic glands or lymphoid...
2Frenchadénoïdeadenoid; glandular
3New Latinadenoīdēs
4Ancient Greekᾰ̓δενοειδήςglandular; adenoid
5Ancient Greek-ειδήςlike, connected to, from the nature of, full of;...
6Ancient Greek-ήςadjective suffix
7Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
8Proto-Indo-European-ess
9Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European -os