noun
fourth month of the lunar calendar
Archaic term for the fourth month of the lunar calendar, corresponding roughly to May in the modern calendar. Also known as 卯月 (うづき).
See also: 卯月
旧暦の夏初月は、今の五月にあたる。
The fourth month of the lunar calendar corresponds to modern May.
卯月 is the common traditional name for the fourth month of the lunar calendar; 夏初月 is a rare alternative.
From 夏 (summer) + 初 (first) + 月 (month), literally 'first month of summer', referring to the fourth month of the lunar calendar when summer begins.