[ad.y.tum] n, pl -ta [L, fr. Gk adyton, neut. of adytos not to be entered, fr. a- + dyein to enter] (1611): the innermost sanctuary in an ancient temple open only to priests: sanctum
ADYTUM
Meaning of ADYTUM in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012