rinteisiin
Rinteisiin is a Finnish grammatical form meaning “into the slopes” or “to the slopes.” It is the illative plural form of the noun rinne, which refers to a slope, incline, or bank—most commonly a ski slope. The word is used to indicate movement toward slopes, rather than merely describing their location.
In everyday use, rinteisiin appears mainly in contexts related to skiing, snowboarding, and mountain recreation. It
Grammatically, rinteisiin is formed as the illative plural of rinne and is paired with verbs of motion