Where does “polyarthritis” come from?

polyarthritis (English) comes 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, from Proto-Indo-European pelH- — pale, gray.

polyarthritis (English): Any arthritis affecting five or more joints,...

Definitions

  1. Any arthritis affecting five or more joints,...

Ancestry of “polyarthritis”, step by step

polyarthritis traces back through two separate lines of ancestry.

via English poly

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

via English arthritis

StepLanguageWordMeaning
1EnglisharthritisInflammation of a joint or joints causing pain...
2Latinarthritisarthritis
3Ancient Greekἀρθρῖτιςf, "third"; of or in the joint
4Ancient Greekἄρθρονjoint; limb; articulation
5Ancient Greekἀραρίσκωjoin, fasten; fit together, construct; fit,...
6Ancient Greek-σκωPrimitive suffix used to form present-tense...
7Proto-Indo-European-sḱétiForms durative or iterative imperfective verbs...
Every word from Proto-Indo-European pelH-Every word from Proto-Indo-European polH-yósEvery word from Proto-Hellenic poľľós