The story
- Englishstoner
- Proto-Indo-European*tres-
- Proto-Indo-European*troséyeti
- Proto-Italic*troseō
- Latinterreō
- Proto-Indo-European*dʰeh₁-
- Proto-Italic*θakos
- Latinterrificus
- Frenchterrifique
- Englishterrific
- English todaystonerific
Etymology from Wiktionary, CC BY-SA 4.0.