Inner __; Extremely Private Room or Place
This page is the CodyCross answer for the clue below from Space Exploration, Group 914, Puzzle 5 (Doppler Effect).
Question
Inner __; Extremely Private Room or Place
Answer
SANCTUM
Word Meaning:
SANCTUM — A place set apart, as with a sanctum sanctorum; a sacred or private place; a private retreat or workroom.
Definitions from Wiktionary.