teemaviikkoihin
Teemaviikkoihin is the illative plural form of the Finnish noun teemaviikko, which translates to "theme week" in English. The illative plural marks movement toward or participation in multiple theme weeks, so the form is used in sentences such as “koulussa osallistutaan teemaviikkoihin” (in school, one participates in theme weeks). The term is commonly found in educational, cultural, and media contexts.
A theme week is a defined period, usually about one week, during which activities, content, and events
Contexts and usage: Teemaviikkoihin appears in planning documents, announcements, and program calendars for schools, libraries, museums,
Linguistic note: The word is formed from the stem teema ("theme") and viikko ("week") and follows Finnish