The story
- Proto-Indo-European*ser-
- Proto-Indo-European*sér-o-
- Proto-Italic*serom
- Latinserum
- Englishserum
- Englishsero-
- Frenchagglutination
- 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
- New Latinagglutinatio
- Englishagglutination
- English todayseroagglutination
From sero- + agglutination.
Etymology from Wiktionary, CC BY-SA 4.0.