Where does “Abfahrer” come from?

Abfahrer (German) comes from German abfahren, from German fahren, from Middle High German varn, from Old High German faran, from Proto-Germanic faran, from Proto-Germanic faraną, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “Abfahrer”, step by step

StepLanguageWordMeaning
1Germanabfahrento depart, to leave; to be crazy about something
2Germanfahrento locomote forth in an accelerated speed; to go;...
3Middle High Germanvarnto fare, to go
4Old High Germanfaranto proceed
5Proto-Germanicfaran
6Proto-Germanicfaranąto go, to travel
7Proto-Indo-Europeanper-before, in front; first; to go through
8Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tós