"A member of a group of disciples of Pythagoras who unquestioningly followed his doctrines and precepts rather than studying his scientific proofs and demonstrations. Opposed to mathematic, mathematician", Mid 17th cent.; earliest use found in Thomas Stanley (1625–1678), poet and classical scholar. From post-classical Latin acusmaticus and its etymon Byzantine Greek ἀκουσματικός probationer in the school of Pythagoras, lit. ‘person willing to hear’ from ancient Greek ἀκουσματ-, ἄκουσμα + -ικός.[acousmatic etymology, acousmatic origin, 英语词源]