Etymograph

English

kainic acid

Kainic acid comes from Japanese 海人草 ‘Digenea simplex, a species of red algae’.

  1. Japanesemodern海人草kainin-sou‘Digenea simplex, a species of red algae’
  2. Englishtodaykainic acid

attested reconstructed ? uncertain or disputed

Lineage

  1. Japanesemodern海人草kainin-sou‘Digenea simplex, a species of red algae’
  2. Englishtodaykainic acid

Today it means

noun A heterocyclic dicarboxylic acid isolated from certain red algae; used as an anthelmintic in Japan.

Language periods are conventional ranges, not dates for this word.

Etymograph / Japanese 海人草 / kainic acid