Where does “pre” come from?

pre (Spanish) comes from French Prêt, from French prêter, from Middle French preter, from Old French prester, from Latin praesto, from Latin prae-, from Proto-Italic prai-, from Proto-Indo-European preh₂- — passed , crossed.

Ancestry of “pre”, step by step

StepLanguageWordMeaning
1FrenchPrêtready
2Frenchprêterto lend; to lend itself to; to go along with
3Middle FrenchpreterAlternative form of prester
4Old Frenchpresterto borrow
5Latinpraestopresent, at hand, ready; at hand, ready to help;...
6Latinprae-before; in front; in charge
7Proto-Italicprai-pre-, before
8Proto-Indo-Europeanpreh₂-before, in front
9Proto-Indo-Europeanper-before, in front; first; to go through
10Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European preh₂-