Where does “paroxysmal” come from?

Paroxysmal derives from English paroxysm, from Ancient Greek παροξυσμός meaning a sharp attack or fit, composed of παρά meaning beside plus a root related to Proto-Indo-European per- meaning forward.

paroxysmal (English): Of, pertaining to, causing or accompanied by...

Definitions

  1. Of, pertaining to, causing or accompanied by...

Ancestry of “paroxysmal”, step by step

StepLanguageWordMeaning
1EnglishparoxysmA random or sudden outburst; An explosive event...
2Middle Englishparoxism
3Middle Frenchparoxisme
4Old Frenchperoxime
5Ecclesiastical Latinparoxismus
6Ancient Greekπᾰροξῠσμόςirritation, exasperation
7Ancient Greekπᾰροξῡ́νωto urge, prick, spur on, stimulate
8Ancient Greekπᾰρᾰ-near; next to; by, near
9Ancient Greekπαρά
10LatinverēdusA fast or light breed of horse; courier's horse; hunter
11Gaulishwerēdoshorse
12Proto-Celtic*uɸoreidoshorse

Words derived from “paroxysmal

Every word from Proto-Celtic *uɸoreidosEvery word from Ancient Greek πᾰρᾰ-Every word from Gaulish werēdos