Where does “Hauptgegnerin” come from?

Hauptgegnerin (German) comes from German Hauptgegner, from German haupt-, from German Haupt, from Middle High German höubet, from Old High German houbit, from Proto-Germanic haubudą, from Proto-Indo-European káput- — head.

Ancestry of “Hauptgegnerin”, step by step

StepLanguageWordMeaning
1GermanHauptgegnermain opponent
2Germanhaupt-head, chief, main, principal
3GermanHaupthead; head; leader; chief; chief
4Middle High Germanhöubethead
5Old High Germanhoubithead
6Proto-Germanichaubudąhead
7Proto-Indo-Europeankáput-head
Every word from Proto-Indo-European káput- →Every word from Proto-Germanic haubudą →Every word from German haupt- →