lapsenlapsensa
Lapsenlapsensa is a Finnish possessive form meaning “the grandchild’s” when used to modify a following noun. It represents a third-person singular possessive built from lapsenlapsi (grandchild) plus the possessive suffix -nsa or -nsä, chosen according to Finnish vowel harmony. The result refers to something belonging to the grandchild and can be placed before a noun to indicate possession.
In practice, lapsenlapsensa is used to talk about things related to a grandchild without naming the possessor
Notes on use and form: lapsenlapsensa is a standard, widely understood grammatical construction in Finnish. The
See also: lapsi, lapsenlapsi, Finnish grammar, possessive suffixes.