historyát
The term "historyát" appears to be a misspelling or a non-standard linguistic form. It does not correspond to a recognized historical term or event in standard English or major historical academic discourse. It is possible that "historyát" is a typographical error for a word like "history," or it could be a term from a specific, less common language or dialect that has not been widely documented in global historical studies. Without further context or clarification, it is difficult to provide a definitive explanation of "historyát."
If the intention was to refer to "history" in a general sense, then history is the study