Japanese edit

Kanji in this term
ぎゃく
Grade: 5
さん
Grade: 2
on’yomi

Noun edit

(ぎゃく)(さん) (gyakusan

  1. inference, back calculation

Verb edit

(ぎゃく)(さん)する (gyakusan surutransitive suru (stem (ぎゃく)(さん) (gyakusan shi), past (ぎゃく)(さん)した (gyakusan shita))

  1. count backwards, calculate backwards