knäa

Etymology
From. , which is derived from a dialectal form of the same noun.

Verb

 * 1) to strike (someone) with the knee; to knee
 * 2) to bend one's knees or move with bent knees (involuntarily, e.g. due to physical exertion)
 * 1) to bend one's knees or move with bent knees (involuntarily, e.g. due to physical exertion)