Etymograph

English

antigen

Antigen comes from French antigène, and goes back to gène.

  1. Frenchc. 1600–presentgène
  2. French, derivedc. 1600–presentantigène
  3. Englishtodayantigen

attested reconstructed ? uncertain or disputed

Earlier history not traced here.

Lineage

  1. Frenchc. 1600–presentgène
  2. French, derivedc. 1600–presentantigène
  3. Englishtodayantigen

Today it means

noun A substance that induces an immune response, usually foreign (nonself) but not always so.

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

Etymograph / French gène / antigen