Meaning of penetralium | Babel Free
/ˌpɛnɪˈtɹeɪliəm/Definitions
the innermost (or most secret) part of a building; an inner sanctum; a sanctum sanctorum.
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.