Circumference
/sɜːrˈkʌm.fər.əns/noun
The distance around the edge of a circle or rounded object.
Did you know?In ancient times, the measurement of circumference was essential for constructing sacred sites, linking geometry to divine order and cosmic balance.
Etymological Timeline
Proto-Indo-European
PIE
*ker-
“to turn or bend, relating to circular shapes.”
Latin
Latin
circumferentia
“the act of carrying around, from 'circum' (around) + 'ferre' (to carry).”
Old French
Old French
circonférence
“the boundary or perimeter of a circle.”
Middle English
Middle English
circumferens
“adopting the Latin form, referring to the surrounding edge of a circle.”
Modern English
English
circumference
“the linear distance around a circle, commonly used in geometry.”
Explore more surprising origins