define arche
Arche (Ancient Greek: á¼ÏÏÎ®) is a Greek word with primary senses beginning, origin or source of action. (ÎµÎ¾â á¼ÏÏÎ®Ï: from the beginning, Î¿r ÎµÎ¾â á¼ÏÏÎ®Ï Î»ÏÎ³Î¿Ï: the original argument), and later first principle or element, first so used by Anaximander (Simplicius in Ph. 150.23), principles of knowledge (á¼ÏÏÎ±Î¯) (Aristot. Metaph.