Where does “über-nerd” come from?

über-nerd (English) comes from English nerd, from English nerts, from English nuts, from English nut, from Middle English nute, from Old English hnutu, from Proto-West Germanic hnut, from Proto-Germanic hnuts — to arise, begin.

Ancestry of “über-nerd”, step by step

über-nerd traces back through two separate lines of ancestry.

via English nerd

StepLanguageWordMeaning
1EnglishnerdA person who is intellectual but generally...
2EnglishnertsCrazy; nuts; Nuts! Expression of dismay
3Englishnutsplural of nut; Testicles; An unbeatable hand; the...
4EnglishnutA hard-shelled seed; A piece of metal, usually...
5Middle Englishnute
6Old Englishhnutunut
7Proto-West Germanichnutnut
8Proto-Germanichnutsnut
9Proto-Indo-Europeanknew-to scrape; scratch; rub; to scratch; scrape; rub
10Proto-Indo-Europeanken-to arise, begin

via English Uber

StepLanguageWordMeaning
1EnglishUberA car ride requested using the mobile application...
2Germanüberabove, over; about, concerning, over, at; via,...
3Old High Germanubariover
4Proto-Germanicubiriover; over, above
5Proto-Indo-Europeanupérialternative reconstruction of *upér
6Proto-Indo-Europeanupérabove; over
7Proto-Indo-Europeanupóunder, below
8Proto-Indo-Europeanh₃ewp-
Every word from Proto-Indo-European ken-Every word from Proto-Indo-European knew-Every word from Proto-Germanic hnuts