Where does “supersmooth” come from?

supersmooth (English) comes from English super, from English super-ego, from German Über-Ich, from German Ich, from Middle High German ich, from Old High German ih, from Proto-West Germanic ik, from Proto-Germanic *ek — I.

supersmooth (English): Of or relating to a distribution that has...

Definitions

  1. Of or relating to a distribution that has...

Ancestry of “supersmooth”, step by step

supersmooth traces back through two separate lines of ancestry.

via English super

StepLanguageWordMeaning
1EnglishsuperOf excellent quality, superfine; better than...
2Englishsuper-egoAlternative spelling of superego
3GermanÜber-Ichsuperego
4GermanIchego, the Ich; self, me, him, etc
5Middle High GermanichI
6Old High GermanihI
7Proto-West GermanicikI
8Proto-Germanic*ek
9Proto-Indo-Europeanéǵh₂I

via English smooth

StepLanguageWordMeaning
1EnglishsmoothHaving a texture that lacks friction. Not rough;...
2Middle Englishsmethesmooth not rough
3Old Englishsmōþsmooth, serene, calm, unruffled
4Proto-Germanicsmanþizflat, smooth, soft

Words derived from “supersmooth

Every word from Proto-Indo-European éǵh₂