ʔusil

Etymology
From.

Verb

 * 1) dive
 * xʷiʔ ləbuʔqʷ tiʔəʔ sbəq̓ʷaʔ yəx̌i xʷiʔ gʷəƛ̕suʔusils
 * A heron is not considered a waterfowl because it does not dive.