in hawaiian, ka means the and wai means water. so kawai literally means the water. if you break it down even further, wai means any liquid other than ocean water. so technically kawai could mean a lot more.
the hawaiian name Kawai was sort of made famous from a Hawaiian singer Kawai Cockett.
Kawai is also the name of a famous piano company.
eh brah, dat kawai guy pretty haole for one hawaiian.