noun
Archaic name for the tenth month of the old lunar calendar, roughly corresponding to November. Used in classical poetry and historical texts. The modern equivalent is 十月 (じゅうがつ).
See also: 神無月
時雨月は、旧暦の十月を指す雅語である。
Shigure-zuki is an elegant term for the tenth month of the lunar calendar.
From 時雨 (しぐれ, 'drizzle') + 月 (つき, 'month'), referring to the month when cold seasonal drizzles are common. The exact historical derivation is uncertain, but the term is a poetic name from the classical Japanese calendar.