Word: musthrion
Pronounce: moos-tay'-ree-on
Strongs Number: G3466
Orig: 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.
Use: TDNT-4:802,615 Noun Neuter
Heb Strong: H7328
1) hidden thing, secret, mystery
1a) generally mysteries, religious secrets, confided only to the initiated and not to ordinary mortals
1b) a hidden or secret thing, not obvious to the understanding
1c) a hidden purpose or counsel
1c1) secret will
1c1a) of men
1c1b) 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
2) in rabbinic writings, it denotes the mystic or hidden sense
2a) of an OT saying
2b) of an image or form seen in a vision
2c) of a dream