acroamatic

Meanings

1. Of or pertaining to hearing.
2. Esoteric, abstruse; (in particular) taught orally to select students and not disseminated.
3. Based on lectures or exposition by monologue.

Etymology

Borrowed from Latin acroamaticus, acroaticus (“esoteric”), at first chiefly in reference to the “esoteric” and originally oral teachings of Aristotle, from Ancient Greek ἀκροαματικός (akroamatikós, “for hearing only; esoteric”), from ἀκροάομαι (akroáomai, “to listen”).