also: かみなづき
noun
tenth month of the lunar calendar; October (archaic)
Archaic name for the tenth month of the old lunar calendar, roughly corresponding to modern October–November. Still encountered in traditional contexts, poetry, and historical references.
神無月は旧暦の十月を指す言葉だ。
Kannazuki is a word that refers to the tenth month of the old lunar calendar.
This haiku uses the seasonal word 'kannazuki'.