Korttinumeron
Korttinumeron is the genitive singular form of the Finnish compound noun korttinumero, which means “card number.” The term is used in contexts where ownership, specification, or relation to a card number is being described, such as in security, banking, or documentation. In practice, korttinumeron appears in sentences to refer to the card number itself or to actions involving it.
Etymology and morphology: korttinumero combines kortti (card) and numero (number), with the entire compound treated as
Usage and examples: Korttinumeron is common in written material related to finance, identity verification, and security.
See also: korttinumero (the nominative form), other Finnish genitive forms of similar compounds. In related Nordic