reunojen

Reunojen is a Finnish linguistic form that denotes a relationship to edges, borders, or rims of an object. It is the genitive plural form of the noun reuna, which translates roughly as edge or border. In this sense, reunien is used to express “of the edges” or “belonging to the edges” in descriptive phrases.

In practice, reunien is common in technical and descriptive language. For example, neliön reunien pituudet means the lengths of the edges of a square, while kartan reunien värit can refer to the colors of the map’s edges. The form allows a concise way to attribute properties to the boundaries of shapes, objects, or diagrams without repeating the head noun.

Usage notes and related forms: Finnish nouns change form to indicate possession and plurality. The nominative plural for reuna is reunat, while the genitive plural is reunien, which governs following nouns to convey “edges’ …” or “of the edges.” Reunat refers to the edges as a simple subject, whereas reunien acts as the possessor or descriptor in compound phrases. The word is widely used in geometry, design, cartography, and architectural contexts to discuss border-related properties.

Etymology and cognates: reuna comes from Finnic roots and has cognates in related languages such as Estonian (reuna). The construction reunien reflects Finnish grammar for genitive plural possession. See also reuna, reunat, and related terms for border and boundary discussions.