langallisiin
Langallisiin is a term that appears in Finnish language contexts as a grammatical form and, less commonly, as a proper noun in creative writing. It is the illative plural form of the adjective langallinen, which conveys a sense of language-related or linguistic. In standard Finnish, adjectives of the -inen family form illative plurals with the suffix -isiin, so langallinen becomes langallisiin when referring to “to the language-related ones” or “toward language-related groups.” The form is largely encountered in linguistic examples, grammar descriptions, or speculative writing, rather than in everyday speech.
Morphology and usage notes indicate that langallisiin is primarily a grammatical inflection rather than a standalone
In addition to its grammatical use, Langallisiin can function as a fictional or fictionalized proper noun in
See also: Finnish language, illative case, -isiin suffix, -alinen adjectives.