Where does “parabiosis” come from?

parabiosis (Spanish) comes from Spanish para-, from Ancient Greek πᾰρᾰ-, from Ancient Greek παρά, from Latin verēdus, from Gaulish werēdos, from Proto-Celtic *uɸoreidos — horse.

parabiosis (Spanish): parabiosis

Definitions

parabiosis

Ancestry of “parabiosis”, step by step

Step	Language	Word	Meaning
1	Spanish	para-	para
2	Ancient Greek	πᾰρᾰ-	near; next to; by, near
3	Ancient Greek	παρά
4	Latin	verēdus	A fast or light breed of horse; courier's horse; hunter
5	Gaulish	werēdos	horse
6	Proto-Celtic	*uɸoreidos	horse

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