In ancient times, the word "wasabi" appeared in "Fuyaku ryo (tax structure)" (the equivalent of Enforcement Order of Corporation Tax Act), which was issued in 718 during the Nara period.
古くは奈良時代、718年に出された「賦役令」（現代の法人税法施行令に相当）の中に「山葵」（わさび）の名前が見られる。