kierrekierros
Kierrekierros is a Finnish term that translates literally to "screw turn" or "spiral turn." It is most commonly used in the context of threading and fasteners, referring to the action of rotating a screw or bolt into a threaded hole or the rotation of a nut onto a bolt. This action creates mechanical fastening, drawing two or more components together. The term emphasizes the rotational movement required for engagement and tightening.
Beyond its literal mechanical meaning, "kierrekierros" can also be used metaphorically to describe a cyclical process
The concept of "kierrekierros" highlights the fundamental nature of rotation in both mechanical engineering and in