kokoontumisiin
Kokoontumisiin is the illative plural form of the Finnish noun kokoontuminen, which means a gathering or meeting. The illative case in Finnish expresses movement into or toward something, and kokoontumisiin is used when referring to going to or taking part in multiple gatherings or to gatherings in a general sense.
The form is commonly used with verbs that indicate motion or participation, such as mennä (to go),
Usage notes: kokoontumisiin denotes movement toward or involvement in more than one gathering, or in a general
Related concepts include kokoontuminen (a single gathering), kokoontumiset (the plural nominative), and compounds such as kokoontumisrajoitukset