Toroid
/ˈtɔːrɔɪd/noun
A surface or object shaped like a ring or doughnut.
Did you know?The word comes from Greek words meaning “bull-like,” because the same root that named a bull also described a rounded, swelling form—proof that geometry and ancient language have been linked for centuries.
Etymological Timeline
Proto-Indo-European
PIE
*tauro-
“Bull”
Ancient Greek
Greek
ταῦρος (tauros)
“Bull”
Latin
Latin
taurus
“Bull”
19th Century
English
toroid
“Bull-shaped; later, ring-shaped in geometry and physics”
Modern English
English
toroid
“A ring-shaped surface or object”