Where does “mismito” come from?

mismito (Spanish) comes from Spanish mismo, from Old Spanish mesmo, from Vulgar Latin metipsimus, from Latin ipse, from Proto-Italic *e(s)peso — himself, herself, itself.

Ancestry of “mismito”, step by step

StepLanguageWordMeaning
1Spanishmismosame; identical; one and the same; similar;...
2Old Spanishmesmo
3Vulgar Latinmetipsimussame
4Latinipsehimself, herself, itself, the very, the actual;...
5Proto-Italic*e(s)pesohimself, herself, itself
Every word from Proto-Italic *e(s)pesoEvery word from Latin ipseEvery word from Vulgar Latin metipsimus