Where does “precessioun” come from?

precessioun (Middle English) comes from Medieval Latin praecessio, from Latin praecēdō, from Latin prae-, from Proto-Italic prai-, from Proto-Indo-European preh₂-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “precessioun”, step by step

StepLanguageWordMeaning
1Medieval Latinpraecessio
2Latinpraecēdōto precede (go before)
3Latinprae-before; in front; in charge
4Proto-Italicprai-pre-, before
5Proto-Indo-Europeanpreh₂-before, in front
6Proto-Indo-Europeanper-before, in front; first; to go through
7Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “precessioun

Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European preh₂-