öitäkseen
Öitäkseen is a Finnish word that describes a state of being or action related to the night. It is the allative case of the word "yö," meaning "night." Therefore, "öitäkseen" can be interpreted as "for its night," "into its night," or "by its night," depending on the context of the sentence.
The grammatical function of "öitäkseen" suggests a purpose, direction, or time frame associated with the night.