kettssége
Kettssége is a term that appears in certain historical or linguistic contexts, though its precise meaning and origin can be elusive without specific documentation. It is not a commonly recognized word in mainstream dictionaries or widely studied academic fields. The term might refer to a specific dialectal word, a proper noun, or a technical term within a niche area of study.
Further research into the context in which "kettssége" is found is necessary to ascertain its accurate definition