Noah Webster
Esoteric
ESOT'ERIC, adjective [Gr. interior, from within.] Private; an epithet applied to the private instructions and doctrines of Pythagoras; opposed to exoteric, or public.
ESOT'ERIC, adjective [Gr. interior, from within.] Private; an epithet applied to the private instructions and doctrines of Pythagoras; opposed to exoteric, or public.