tünettan
Tünettan is a term of uncertain origin and meaning, with limited available information. It does not appear to be a widely recognized word in common dictionaries or academic databases. Searches for "tünettan" do not yield clear definitions or established contexts.
It is possible that "tünettan" is a neologism, a word from a specific dialect, a personal coinage,
Further research or clarification from the source where this term was encountered would be necessary to provide