The story
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*dwi-
- Proto-Italic*dwi-
- Latinbi-
- Englishbi-
- Proto-Indo-European*bʰeh₂-
- Proto-Indo-European*bʰh₂nyéti
- Proto-Hellenic*pʰáňňō
- Ancient Greekφᾰ(ν)- (phă(n)-)
- Ancient Greekφάσις (phásis)
- New Latinphasis
- Englishphase
- Englishphasic
- English todaybiphasic
Etymology from Wiktionary, CC BY-SA 4.0.