The story
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Germanic*un-
- Proto-West Germanic*un-
- Old Englishun-
- Middle Englishun-
- Englishun-
- Proto-Indo-European*sekʷ-
- Proto-Indo-European*sokʷ-éye-ti
- Proto-Indo-European*sokʷ-h₁-yé-ti
- Proto-Germanic*sagjaną
- Proto-West Germanic*saggjan
- Old Englishseċġan
- Middle Englishseien
- Englishsay
- Englishsayable
- English todayunsayable
Etymology from Wiktionary, CC BY-SA 4.0.