noun
overlapping seasonal words; having more than one seasonal word in a haiku
A haiku composition term: when a single haiku contains two or more kigo (seasonal words), which is generally considered a flaw because it blurs the seasonal focus.
See also: 季語
この俳句は季重なりで、季語が二つ入っている。
This haiku has overlapping seasonal words; it contains two kigo.
初心者は季重なりに気をつけましょう。
Beginners should be careful about overlapping seasonal words.