The story
- Proto-Indo-European*dʰewbʰ-?
- Proto-Indo-European*bʰudʰmḗn
- Proto-Indo-European*bʰudʰnós
- Proto-Indo-European*bʰundʰós
- Proto-Italic*fundos
- Latinfundus
- Latinfundō
- Latinfundātiō
- Old Frenchfondacion
- Middle Frenchfondation
- Latinfundātiō
- Middle Englishfundacioun
- English todayfoundation
From Middle English foundacioun, fundacioun, from Old French fondacion, from Latin fundātiō (“founding, foundation”).
Etymology from Wiktionary, CC BY-SA 4.0.