mythistory
/mɪθˈhɪst(ə)ri/rare before late 19th cent
noun
History mixed with myth; a mythologized version of history.
Origin
Mid 18th century; earliest use found in Nathan Bailey (d. 1742), lexicographer and schoolmaster. From post-classical Latin mythistoria fabulous history from classical Latin mȳthos or mȳthus + historia.