kuinsubstantiivin
Kuinsubstantiivin is a term that appears to be a neologism or a highly specialized term without widespread recognition in standard linguistic or academic discourse. Searches in common linguistic databases and dictionaries do not yield a direct definition for "kuinsubstantiivin." It is possible this term originates from a specific, perhaps theoretical, linguistic framework or a particular research paper. Without additional context, its precise meaning and application remain unclear.
If "kuinsubstantiivin" is a compound word, it might offer clues to its intended meaning. The prefix "kui"