кланяться

Etymology
From dialectal, inherited from. Iterative of, with unexpected stress shift and root vowel lengthening.

Verb

 * 1) to bow (to, before), to greet to bend oneself as a gesture of respect or deference
 * 2) to give/send regards to someone
 * 3) to cringe (before); to humiliate oneself (before); to humbly beg
 * 1) to cringe (before); to humiliate oneself (before); to humbly beg