Where does “παρηγορέω” come from?

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

παρηγορέω (Ancient Greek): to console, comfort