Where does “esse” come from?

esse (Old Portuguese) comes from Latin ipse, from Proto-Italic *e(s)peso — himself, herself, itself.

Ancestry of “esse”, step by step

StepLanguageWordMeaning
1Latinipsehimself, herself, itself, the very, the actual;...
2Proto-Italic*e(s)pesohimself, herself, itself

Words derived from “esse”

Every word from Proto-Italic *e(s)peso →Every word from Latin ipse →