The story
- Proto-Austronesian*babaw
- Proto-Oceanic*papo
- Pohnpeianpohn
- Pohnpeianpehi
- PohnpeianPohnpei
- English todayPohnpei
Borrowed from Pohnpeian Pohnpei, from pohn (“on top of”) + pehi (“altar, stone structure, rock pile”).
Etymology from Wiktionary, CC BY-SA 4.0.