cœnaculousadj.
Etymology: < Latin cēnāculum (irregularly spelt coenāculum) dining- or supping-room + -ous suffix.Previous versions of the OED give the stress as: cœˈnaculous.
1825 L. Hunt tr. F. Redi 479 People grossly cœnaculous.
This entry has not yet been fully updated (first published 1891; most recently modified version published online December 2021).