Where does “bluestone” come from?

bluestone (English) comes from English Blue, from Middle English blēwe, from Anglo-Norman blew, from Middle French bleu, from Old French blöe, from Latvian blāvus, from Old High German blāo, from Proto-West Germanic blāu — yellow, blond, grey.

bluestone (English): Any of several bluish grey varieties of stone...

Definitions

  1. Any of several bluish grey varieties of stone...

Ancestry of “bluestone”, step by step

bluestone traces back through two separate lines of ancestry.

via English Blue

StepLanguageWordMeaning
1EnglishBlueA letterman at Oxford or Cambridge; A member of...
2Middle Englishblēwe
3Anglo-Normanblewblue
4Middle Frenchbleublue
5Old Frenchblöeblue
6Latvianblāvusaccusative plural masculine form of blāvs
7Old High Germanblāoblue, dark, grey; blue; yellow
8Proto-West Germanicblāublue
9Proto-Germanicblēwazblue; a dark bluish or grey colour, black
10Proto-Indo-Europeanbʰlēw-yellow, blond, grey

via English Stone

StepLanguageWordMeaning
1EnglishStonefor someone who lived near a stone worked with stone, from
2Middle EnglishstonAlternative form of stone
3Old Englishstānstone, rock
4Old NorseVeggrname of a dwarf
5Proto-Germanicwajjuzwall
6Proto-Indo-Europeanwh̥₁yús
7Proto-Indo-Europeanweh₁y-to twist, wind, weave, plait; to wrap, enclose,...
Every word from Proto-Indo-European bʰlēw-
bluestone — Etymology, Origin & Word History | Etymology Explorer