Where does “Waikapū” come from?

Waikapū (Hawaiian) comes from Hawaiian wai, from Proto-Eastern Polynesian wai, from Proto-Nuclear Polynesian wai, from Proto-Polynesian wai, from Proto-Oceanic waiʀ, from Proto-Eastern Malayo-Polynesian waiʀ, from Proto-Central-Eastern Malayo-Polynesian waiʀ, from Proto-Malayo-Polynesian wahiʀ — water.

Ancestry of “Waikapū”, step by step

Waikapū traces back through two separate lines of ancestry.

via Hawaiian wai

StepLanguageWordMeaning
1Hawaiianwaifresh water
2Proto-Eastern Polynesianwaiwater
3Proto-Nuclear Polynesianwaiwater
4Proto-Polynesianwaiwater
5Proto-Oceanicwaiʀwater
6Proto-Eastern Malayo-Polynesianwaiʀwater
7Proto-Central-Eastern Malayo-Polynesianwaiʀwater
8Proto-Malayo-Polynesianwahiʀwater

via Hawaiian kapu

StepLanguageWordMeaning
1Hawaiiankaputaboo, prohibition; something sacred or holy, and...
2Proto-Polynesiantaputaboo
3Proto-Oceanictabu
4Proto-Eastern Malayo-Polynesiantambu
5Proto-Central-Eastern Malayo-Polynesiantambu

Words derived from “Waikapū

Every word from Proto-Malayo-Polynesian wahiʀEvery word from Proto-Central-Eastern Malayo-Polynesian waiʀEvery word from Proto-Eastern Malayo-Polynesian waiʀ