Axis
/ˈæk.sɪs/noun
A straight line about which a body or geometric object rotates.
Did you know?The concept of an axis was deeply intertwined with ancient astrological beliefs, symbolizing stability and the cosmic balance of forces.
Etymological Timeline
Proto-Indo-European
PIE
*h₂éḱs
“to turn, to pivot, a point of rotation.”
Latin
Latin
axis
“a pivot or axle, particularly in relation to celestial bodies.”
Old French
Old French
ax(e)
“a line or center of rotation.”
Middle English
Middle English
axis
“a central line around which something rotates.”
Modern English
English
axis
“a straight line about which an object rotates.”