Lyhennesanan
Lyhennesanan is a term used in discussions of sentence minimality in linguistics. It denotes the shortest possible complete sentence in a language, focusing on utterances that convey a complete proposition with minimal syntactic material. The term is a neologism rooted in Finnish, combining lyhyt meaning "short" and sana meaning "word," and is used informally to describe a one-utterance unit that functions as a sentence in context.
In practice, a Lyhennesanan is typically an utterance that is grammatically well-formed, pragmatically sufficient, and able
Status and usage: The term remains informal and not part of formal grammar, but it is used
See also: Ellipsis, Imperative mood, Minimal sentence, Communicative economy.