Pl. adyta. [L. adyt-um a. Gr. ἄδυτον prop. adj. = not to be entered; f. ἀ not + -δυτ-ος vbl. adj. of δύ-ειν to enter. Commonly used in the L. form sing. and pl.; at first also in the Gr., though it had already been anglicised by Greene as ADYT.] The innermost part of a temple; the secret shrine whence oracles were delivered; hence fig. A private or inner chamber, a sanctum.
1673. Holyday, Juvenal, 235. The adyta, whence the oracles were delivered The Romane temples having the ἄδυτον, answerable to the quire, unto which only priests might come.
1778. Bp. Lowth, On Isaiah (ed. 12), 339. Adytum means a cavern, or the hidden part of the temple.
1800. Coleridge, Ess. on Own Times, I. 247. [He] carries with him the habits of a disputing club into the adyta of the Cabinet.
1859. Is. Taylor, Logic in Theol., 46. To give the foot a place in the adytum of intellectual & moral life.
1863. W. Thornbury, True as Steel, II. 158. But the prettiest sight of all was in the adytumthe inner room of allwhere the Duchess herself sat.