Where does “Frontvorsprung” come from?

Frontvorsprung (German) comes from German Vorsprung, from German vor-, from Middle High German vor-, from Old High German fora-, from Proto-Germanic furai, from Proto-Indo-European preh₂-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “Frontvorsprung”, step by step

Frontvorsprung traces back through two separate lines of ancestry.

via German Vorsprung

StepLanguageWordMeaning
1GermanVorsprungprojection, prominence, protrusion; ledge;...
2Germanvor-pre-
3Middle High Germanvor-
4Old High Germanfora-
5Proto-Germanicfuraibefore, in front of; before, in front
6Proto-Indo-Europeanpreh₂-before, in front
7Proto-Indo-Europeanper-before, in front; first; to go through
8Proto-Indo-Europeanpr̥tóspassed , crossed

via German Front

StepLanguageWordMeaning
1GermanFrontthe front end or side of something
2Frenchfrontforehead; front, frontline
3Old Frenchfrontforehead; front
4Latinfrōnsa leafy branch; foliage; greenery
5Proto-Indo-Europeanbʰron-t-
6Proto-Indo-Europeanbʰren-project; to project; to stand out; to project;...
Every word from Proto-Indo-European pr̥tós