The story
- Englisha-
- Proto-Indo-European*per-
- Proto-Indo-European*preh₂-
- Proto-Indo-European*pr̥h₂éy
- Proto-Germanic*furai
- Proto-Germanic*furai-
- Proto-West Germanic*forē-
- Old Englishfore-
- Middle Englishfore-
- Englishfore-
- Englishafore-
- Proto-Indo-European*teng-
- Proto-Germanic*þankijaną
- Proto-Germanic*þanhtaz
- Proto-West Germanic*þą̄ht
- Old Englishþōht
- Middle Englishthought
- Englishthought
- English todayaforethought
Etymology from Wiktionary, CC BY-SA 4.0.