also: しゅう
Archaic term for a cave or cavern; not used in modern Japanese outside of classical texts or poetry.
In old Chinese-style poetry, there are examples where 岫 is used to mean a cave.
Only with reading くき
Archaic term for a mountain peak or summit, restricted to the reading くき. Found only in classical literature.
When 岫 is read as 'mountain peak', it is given the kun-reading くき.
Alternate on-reading; rarely used.
The kanji 岫 is a phono-semantic compound: 山 (mountain) + 由 (phonetic). Its exact historical derivation is uncertain, but it has been used in classical Chinese and Japanese to mean both 'cave' and 'peak'.