It is a place name, specifically a town on the island of O'ahu in Hawaii. It's believed to be a combination of two Hawaiian words:
* Wai - meaning "water"
* Pahū - meaning "to burst forth"
However, this combination doesn't necessarily translate to a literal meaning for the town itself.
It's important to note that many place names in Hawaii are not literal translations but rather reflect the history, environment, or significant features of the area.