The story
- Englishhaem-
- Proto-Indo-European*h₂éd
- Proto-Italic*ad
- Proto-Italic*ad-
- Latinad-
- Proto-Indo-European*gleyH-
- Proto-Indo-European*glóh₁ytn̥
- Proto-Italic*gloiten
- Latinglūten
- Latinglūtinō
- Latinagglūtinō
- Latinagglūtinātu
- Englishagglutinate
- Englishagglutinin
- English todayhaemagglutinin
From haem- + agglutinin.
Etymology from Wiktionary, CC BY-SA 4.0.