Where does “polysomnologist” come from?

polysomnologist (English) comes from English polysomnography, from English poly, from Latin polium, from Latin polion, from Ancient Greek πόλιον, from Ancient Greek πολιός, from Proto-Hellenic poľľós, from Proto-Indo-European polH-yós — pale, gray.

polysomnologist (English): An expert at polysomnography

Definitions

  1. An expert at polysomnography

Ancestry of “polysomnologist”, step by step

polysomnologist traces back through two separate lines of ancestry.

via English polysomnography

StepLanguageWordMeaning
1EnglishpolysomnographyA multiparameter recording of brain waves used in...
2EnglishpolyPolytechnic; Polyethylene; Polyurethane
3LatinpoliumAlternative form of polion
4LatinpolionA strong-smelling plant, perhaps Teucrium...
5Ancient Greekπόλιονfelty germander
6Ancient Greekπολιόςgrey, grizzled, grizzly; bright, clear, serene; a...
7Proto-Hellenicpoľľósgrey
8Proto-Indo-EuropeanpolH-yós
9Proto-Indo-EuropeanpelH-pale, gray

via English ist

StepLanguageWordMeaning
1EnglishistA practitioner or supporter of an ism
2English-istAdded to words to form nouns denoting
3Old French-iste
4Latin-ista-ist; one who practises or believes
5Ancient Greek-ιστήςAlternative form of -τής; -ist
6Ancient Greek-τήςAppended to verbs to form agent nouns
7Proto-Hellenic-tās
Every word from Proto-Indo-European pelH-Every word from Proto-Indo-European polH-yósEvery word from Proto-Hellenic poľľós