Kymmenien
Kymmenien is a Finnish numeral-inflected form that signals a rough, plural quantity of tens. It functions as a determiner-like element before a noun and is used when the exact number is not specified but the scale is large. The form derives from the cardinal number kymmenen (ten) and frequently appears in written Finnish to describe quantities such as tens of thousands or decades.
Grammatically, numerals in Finnish behave like adjectives and agree with the noun they modify in case and
Usage notes emphasize that kymmenien is more typical in formal or descriptive writing, such as journalism,