The story
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*dwi-
- Proto-Italic*dwi-
- Latinbi-
- Englishbi-
- Proto-Indo-European*ḱen-?
- Proto-Indo-European*ḱéntrom
- Proto-Hellenic*kéntron
- Ancient Greekκέντρον (kéntron)
- Ancient Greekκεντρικός (kentrikós)
- English todaybicentric
Etymology from Wiktionary, CC BY-SA 4.0.