Where does “presumptuous” come from?
presumptuous (Middle English) comes from Old French presumptieus, from Latin praesumptuōsus, from Latin praesumptiō, from Latin praesumptum, from Latin praesumo, from Latin prae-, from Proto-Italic prai-, from Proto-Indo-European preh₂- — passed , crossed.
Ancestry of “presumptuous”, step by step
Words derived from “presumptuous”