Where does “superadditional” come from?

superadditional (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.

superadditional (English): Being a superaddition; added on top of a previous...

Definitions

  1. Being a superaddition; added on top of a previous...

Ancestry of “superadditional”, step by step

superadditional 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 additional

StepLanguageWordMeaning
1EnglishadditionalSupplemental or added to something; Something...
2English-alOf or pertaining to. Adjectival suffix appended...
3Latin-alisUsed to form adjectives of relationship from...
4Proto-Indo-European-li-
Every word from Proto-Indo-European éǵh₂Every word from Proto-Germanic *ekEvery word from Proto-West Germanic ik