Apeiron (cosmology)
Apeiron (ἄπειρον) is a Greek word meaning unlimited, infinite, or indefinite from ἀ- a-, "without" and πεῖραρ peirar, "end, limit", the Ionic Greek form of πέρας peras, "end, limit, boundary".
Read more about Apeiron (cosmology): Apeiron As An Origin, Roots, Creation of The World, Interpretations, Influence On Greek and Western Thought, Other Pre-Socratic Philosophers' Ideas About Apeiron