Bible Encyclopedias
Adytum

1911 Encyclopedia Britannica

the Latinized form of aduton (not to be entered), the innermost sanctuary in ancient temples, access to which was forbidden to all but the officiating priests. The most famous adytum in Greece was in the temple of Apollo at Delphi.

Bibliography Information
Chisholm, Hugh, General Editor. Entry for 'Adytum'. 1911 Encyclopedia Britanica. https://www.studylight.org/​encyclopedias/​eng/​bri/​a/adytum.html. 1910.