from a derivative of muo (to shut the mouth); a secret or "mystery" (through the idea of silence imposed by initiation into religious rites):--mystery.
hidden thing, secret, mystery
generally mysteries, religious secrets, confided only to the initiated and not to ordinary mortals
a hidden or secret thing, not obvious to the understanding
a hidden purpose or counsel
secret will 1c
of men 1c
of God: the secret counsels which govern God in dealing with the righteous, which are hidden from ungodly and wicked men but plain to the godly
in rabbinic writings, it denotes the mystic or hidden sense