Where does “Keystone” come from?

Keystone (English) comes from English Stone, from Middle English ston, from Old English stān, from Old Norse Veggr, from Proto-Germanic wajjuz, from Proto-Indo-European wh̥₁yús, from Proto-Indo-European weh₁y- — to twist, wind, weave, plait; to wrap, enclose,...

Keystone (English): The top stone of an arch

Definitions

  1. The top stone of an arch

Ancestry of “Keystone”, step by step

Keystone traces back through two separate lines of ancestry.

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,...

via English key

StepLanguageWordMeaning
1EnglishkeyAn object designed to open and close a lock; An...
2EnglishcayA small, low island largely made of sand or coral
3SpanishCayokey island
4Taínocayosmall island

Words derived from “Keystone

Every word from Proto-Indo-European weh₁y-