kirpeämmän
The term "kirpeämmän" is the genitive singular form of the Finnish adjective "kirpeä." "Kirpeä" translates to "sour," "tart," or "tangy" in English, often describing a taste or smell. Therefore, "kirpeämmän" specifically refers to "of a sourer," "of a tarter," or "of a tangier" thing.
In grammatical contexts, the genitive case in Finnish is used to indicate possession, origin, or to be