Usage of the character 閏
rùn
闰
[閏]
- intercalary
- an extra day or month inserted into the lunar or solar calendar (such as February 29)
Aórùn
敖闰
[敖閏]
- Dragon King of the West Sea, Ao Run, also Ao Ji (敖吉)
rùnyuè
闰月
[閏月]
- intercalary month in the lunar calendar
- leap month
rùnnián
闰年
[閏年]
- leap year
- (lunar calendar) year with a thirteen intercalary month
rùnsìyuè,chīshùyè
闰四月，吃树叶
[閏四月，吃樹葉]
- an intercalary fourth month brings food shortages