Where does “Nāpua” come from?

Nāpua (Hawaiian) comes from Hawaiian nā, from Proto-Sino-Tibetan ŋa, from Proto-Sino-Tibetan l/b-ŋa — five.

Ancestry of “Nāpua”, step by step

StepLanguageWordMeaning
1Hawaiiannāthe; calm, pacified
2Proto-Sino-TibetanŋaI
3Proto-Sino-Tibetanl/b-ŋafive
Every word from Proto-Sino-Tibetan l/b-ŋa →Every word from Proto-Sino-Tibetan ŋa →Every word from Hawaiian nā →