Strong's Exhaustive Concordance dictionaries from openscriptures/strongs. CC BY-SA 4.0 / Public Domain. Derived from James Strong, S.T.D., LL.D., 1890/1894.
μυστήριονmystirion
Short Definition
a secret or "mystery" (through the idea of silence imposed by initiation into religious rites)
Strong’s Definition
a secret or "mystery" (through the idea of silence imposed by initiation into religious rites)