lyhentyneistä
lyhentyneistä is the genitive plural form of the Finnish adjective lyhentynyt, meaning "shortened" or "reduced". In Finnish grammar, the genitive case is used to indicate possession, origin, or to modify another noun. The plural form indicates that the adjective is describing more than one noun. Therefore, "lyhentyneistä" translates to "of the shortened ones" or "from the shortened ones," depending on the context.
This form would appear in sentences where one is referring to something belonging to, derived from, or