noun Etymology: Greek gnōsis, literally, knowledge, from gignōskein Date: 1703 esoteric knowledge of spiritual truth held by the ancient Gnostics to be essential to salvation
GNOSIS
Meaning of GNOSIS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012