uimaaltaista
Uimaaltaista is the elative plural form of the Finnish noun uima-allas, meaning swimming pool. It is used to indicate origin or source and translates to “from the swimming pools” in English. The form appears in contexts where multiple pools are the source of something, such as water or wastewater.
In Finnish, the elative case expresses origin and is formed with the suffix -sta/-stä. For the compound
Examples of use include environmental or utility contexts, where information is given about sources of water,
See also: uima-allas, Finnish noun declension, elative case (elatiivi), Finnish grammar.