teräksiseen
Teräksiseen is the illative singular form of the Finnish adjective teräksinen, which means “made of steel” or “steel-.” In Finnish, adjectives agree with the nouns they modify in number and case, and the illative case expresses movement into or a state related to what the noun denotes. For adjectives of the -inen type, the illative singular commonly takes the ending -iseen, yielding teräksiseen when describing a noun in illative.
Etymology and morphology: The base noun teräs means steel, and the suffix -inen forms adjectives meaning “made
Usage: Teräksiseen is typically found in descriptive or technical language to specify material or quality, especially
Examples: A phrase such as teräksiseen muottiin means “into a steel mold,” with teräksiseen signaling both the
See also: teräksinen, Finnish adjective declension, illative case.