kierivät
Kierivät is a Finnish word form that can function as the third-person plural present tense of verbs derived from kiert- meaning to turn, twist, or rotate. In standard Finnish, kierivät appears when the subject is plural and the verb describes rotational or rolling motion. It is not a noun and does not denote a standalone concept.
In ordinary usage, kierivät describes ongoing motion performed by multiple subjects. For example, in a sentence
Etymology and morphology: kierivät is related to the verb kiertää (to turn, rotate) and shares its root