Where does “grandmaster” come from?

grandmaster (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;...

grandmaster (English): Alternative spelling of Grandmaster; A master in...

Definitions

  1. Alternative spelling of Grandmaster; A master in...

Ancestry of “grandmaster”, step by step

grandmaster 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 master

StepLanguageWordMeaning
1EnglishmasterSomeone who has control over something or...
2Middle Englishmaistermaster; lord; ruler
3Old Englishmægestermaster
4Latinmagisterteacher; master; a title of the Middle Ages,...
5Proto-Italicmagisterosbigger, greater
6Proto-Indo-Europeanméǵh₂isteros
7Proto-Indo-Europeanméǵh₂sbig, great
Every word from Proto-Indo-European -os
grandmaster — Etymology, Origin & Word History | Etymology Explorer