Where does “catarrhal” come from?

Catarrhal derives from English catarrh, which comes from Ancient Greek καταῤῥέω meaning to flow down, formed from κατά down and a root related to flowing.

catarrhal (English): Relating to catarrh

Definitions

  1. Relating to catarrh

Ancestry of “catarrhal”, step by step

StepLanguageWordMeaning
1EnglishcatarrhInflammation of the mucous membranes of the nose...
2Dutchcatarrecatarrh, chronic inflammation of the mucous...
3Middle Frenchcatarrhe
4Latincatarrhuscatarrh, rheum
5Ancient Greekκατάρροοςcatarrh, head cold
6Ancient Greekκαταρρέωflow down; stream, rush; drip
7Ancient Greekκᾰτᾰ-fully; down; denoting motion downwards
8Ancient Greekκατά
9Ancient Greekκαταστερίζωto place among the stars; I put among the stars
10Ancient Greekἀστήρa celestial body; illustrious person; starfish
11Proto-Hellenicastḗrstar
12Proto-Indo-Europeanh₂stḗrstar
13Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

Words derived from “catarrhal

Every word from Proto-Indo-European h₂eHs-Every word from Proto-Indo-European h₂stḗrEvery word from Proto-Hellenic astḗr