Where does “paroxysme” come from?

paroxysme (French) comes from Middle French paroxisme, from Old French peroxime, from Ecclesiastical Latin paroxismus, from Ancient Greek πᾰροξῠσμός, from Ancient Greek πᾰροξῡ́νω, from Ancient Greek πᾰρᾰ-, from Ancient Greek παρά, from Latin verēdus — horse.

paroxysme (French): paroxysm; height, peak

Definitions

paroxysm; height, peak

Ancestry of “paroxysme”, step by step

paroxysme traces back through two separate lines of ancestry.

via Middle French paroxisme

Step	Language	Word	Meaning
1	Middle French	paroxisme	—
2	Old French	peroxime	—
3	Ecclesiastical Latin	paroxismus	—
4	Ancient Greek	πᾰροξῠσμός	irritation, exasperation
5	Ancient Greek	πᾰροξῡ́νω	to urge, prick, spur on, stimulate
6	Ancient Greek	πᾰρᾰ-	near; next to; by, near
7	Ancient Greek	παρά
8	Latin	verēdus	A fast or light breed of horse; courier's horse; hunter
9	Gaulish	werēdos	horse
10	Proto-Celtic	*uɸoreidos	horse

via Medieval Latin paroxysmus

Step	Language	Word	Meaning
1	Medieval Latin	paroxysmus	severe illness, fit of agony, paroxysm
2	Ancient Greek	παροξυσμός	irritation, the severe fit of a disease
3	Ancient Greek	παροξύνω	to urge, prick, spur on, stimulate

Words derived from “paroxysme”

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