lisääntyneisiin
Lisääntyneisiin is a Finnish verb-inflected form derived from lisääntyä, meaning to increase or reproduce. The base adjective-like participle lisääntynyt means “increased,” and lisääntyneisiin represents a specific plural case form that attaches to a plural antecedent. In practice, lisääntyneisiin functions as a way to refer to groups or sets of things that have become larger, with a sense similar to “to the increased ones” or “toward the increased ones,” depending on the syntactic context.
Grammatical notes about this form center on its construction and usage rather than a standalone dictionary
Usage and context: lisääntyneisiin tends to occur in discussions of demographic shifts, ecological changes, or population
See also: lisääntyminen, lisääntyminen ja lisääntyynyt, Finnish grammar.