kätensä
Kätensä is a Finnish noun phrase meaning “his/her hand.” It is the singular third-person possessive form of käsi (hand). In Finnish, possession is expressed with a suffix attached to the noun, so käsi combined with the third-person possessive suffix -nsä yields kätensä. This form indicates ownership by the subject of the clause and does not require a separate possessive pronoun in most sentences. For explicit reference, one can also say Henkilön kätensä or Hänellä on kätensä, but the possessive suffix on käsi is the usual marker of ownership.
Morphology and related forms: Finnish nouns decline in cases, but the possessive form kätensä is a fixed
Usage and notes: Kätensä is common in everyday Finnish and in literary language when the speaker or
Etymology: Käsi means hand, and the possessive suffix -nsä is a standard third-person singular possessive marker