The story
- Proto-Indo-European*per-der.?
- Proto-Indo-European*pér
- Proto-Indo-European*pró
- Ancient Greekπρό (pró)
- Englishpro-
- Proto-Indo-European*bʰeh₂-
- Proto-Indo-European*bʰh₂nyéti
- Proto-Hellenic*pʰáňňō
- Ancient Greekφᾰ(ν)- (phă(n)-)
- Ancient Greekφάσις (phásis)
- New Latinphasis
- Englishphase
- English todayprophase
Etymology from Wiktionary, CC BY-SA 4.0.