geheim; in der grch. Philosophie: nur nach vorheriger Schulung durch Eingeweihte verständlich.
ETYM Greek esoterikos, from esoteros inner, interior, comp. from esw in, within, from es, eis, into, from en in. Related to In.
Confined to and understandable by only an enlightened inner circle.
Capable of being understood only by the initiated; abstruse; confidential.
In an esoteric manner, privately, secretly