kartonkinen
Kartonkinen is a Finnish adjective derived from the noun kartonki, meaning cardboard. As an adjective, "kartonkinen" describes something made of or resembling cardboard. It can be used to refer to materials, packaging, or even the texture or appearance of an object. For example, a "kartonkinen laatikko" would be a cardboard box, and "kartonkisen tuntuinen" might describe a surface that feels like cardboard. The term implies a certain rigidity and perhaps a matte finish, characteristic of cardboard materials. It is a common descriptive word in everyday Finnish, particularly when discussing packaging, crafts, or simple construction.