Where does “precordillerano” come from?

precordillerano (Spanish) comes from Spanish precordillera, from Spanish pre-, 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 “precordillerano”, step by step

StepLanguageWordMeaning
1Spanishprecordillerafoothills
2Spanishpre-pre
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
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European preh₂-