What is ehu in Hawaiian?

Answer 1

Ehu is a color. Itʻs the reddish/brownish color of some Hawaiian peoples hair and certain tree barks.
Aloha: It is another word for water (wai, pronounced v-I), or specifically water with herbs, flowers or stuff like that in it.

Answer 2

In Hawaiian, "ehu" means reddish-brown or rust-colored. It is commonly used to describe the color of hair, skin, or certain fish in Hawaii.