The story
- Proto-Japonic · derived from*nǝri
- English todaynori
From Japanese 海苔(のり) (nori), ultimately from Proto-Japonic *nǝri. The kanji literally mean "ocean moss", although this does not represent actual etymology as they are jukujikun (熟字訓).
Etymology from Wiktionary, CC BY-SA 4.0.