Where does “supergrandmaster” come from?

supergrandmaster (English) comes from English Grandmaster, from English Master, from English Mast, from French masse, from Old French mace, from Vulgar Latin mattia, from Latin mateola, from Latin -ulus — Forms agent nouns from verbal roots.

supergrandmaster (English): A particular grandmaster whose proficiency in chess or in general is notably greater than that of average grandmasters

Definitions

  1. A particular grandmaster whose proficiency in chess or in general is notably greater than that of average grandmasters

Ancestry of “supergrandmaster”, step by step

supergrandmaster traces back through two separate lines of ancestry.

via English Grandmaster

StepLanguageWordMeaning
1EnglishGrandmasterA player of the highest rank, as determined by...
2EnglishMasterPrepended to a boy's name or surname as a form...
3EnglishMast
4Frenchmassea paste, a dough; large amount or quantity of...
5Old Frenchmacemace weapon
6Vulgar Latinmattia
7LatinmateolaThe meaning of this term is uncertain....
8Latin-ulusUsed to form a diminutive of a noun, indicating...
9Proto-Italic-olos
10Proto-Italic-elosForms desubstantival and deadjectival diminutive nouns
11Proto-Indo-European-e-lós
12Proto-Indo-European-lósForms agent nouns from verbal roots

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 -lós