What is hello in native American language?

Many Native American tribes and civilizations speak english now, so "Hello" is "Hello" regardless of their race or tribe. There are numerous (in the hundreds, if not thousands) of individual Native American Tribes, and each one could easily have a slightly different language.

Here are some examples;

Choctaw - Halito.

Lakota - Hua Kola

Seminole - Istonko