隩

ào
  1. (archaic) the southwest corner of a room; the deepest interior of a house
  2. (archaic, alt. form 奧／奥) abstruse; profound; deep
  3. abstruse; profound; deep
  4. the southwest corner of a room; the deepest interior of a house

Wiktionary

Homographs

隩 yù
  1. bay
  2. cove