pythagorean

/p(a)ɪˌθaɡəˈɹiːən/

Etymology

From Latin Pȳthagorēus (“pertaining to Pythagoras”) + -an. Compare Pythagoric.

adj

Pertaining to Pythagoras.
Pertaining to the philosophy of Pythagoras.
Following the lifestyle advocated by the Pythagoreans; specifically, vegetarian.

noun

A follower of Pythagoras; someone who believes in or advocates Pythagoreanism.“Plato could still speak the language of archaic myth. He could speak it, because he was a Pythagorean, and myth was their technical language.”