Viheltää

viheltää is a Finnish verb meaning to whistle. It can refer to the act of producing a musical sound by pursing the lips and expelling air, or it can describe the sound made by wind or other objects.

The verb viheltää can be used in various contexts. For example, a person might viheltää a tune while walking. The wind can viheltää through the trees, creating an eerie sound. In sports, referees often use a whistle, which produces a vihellys, a noun derived from viheltää.

Figuratively, viheltää can also mean to be very cold or to move very quickly. For instance, if it's extremely cold, one might say "pakkanen viheltää" meaning the frost is whistling. Similarly, a fast-moving train might be described as viheltää ohi, whistling past.

The noun form of the verb is vihellys, which refers to the sound of whistling. This can be the sound produced by a person, an instrument, or natural phenomena. It is a common and versatile word in the Finnish language, used to describe a range of sounds and sensations.