Where does “supergrand” come from?

supergrand (English) comes from English grand, from Middle English grand, from Anglo-Norman graunt, from Old French grant, from Old French -ur, from Latin -or, from Proto-Italic -ōs, from Proto-Indo-European -ōs — Creates action nouns or result nouns from verbs;...

supergrand (English): Exceptionally grand; of tremendous grandness

Definitions

  1. Exceptionally grand; of tremendous grandness

Ancestry of “supergrand”, step by step

supergrand traces back through two separate lines of ancestry.

via English grand

StepLanguageWordMeaning
1EnglishgrandOf a large size or extent; great; Great in size,...
2Middle Englishgrand
3Anglo-NormangrauntLate Anglo-Norman spelling of grant
4Old Frenchgrantbig, large
5Old French-ur-er, used for form agent nouns
6Latin-orused to form a third-declension masculine...
7Proto-Italic-ōsCreates masculine action nouns or result nouns...
8Proto-Indo-European-ōsCreates masculine and feminine action nouns or...
9Proto-Indo-European-oss
10Proto-Indo-European-osCreates action nouns or result nouns from verbs;...

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
Every word from Proto-Indo-European -os