#Etymology#Mathematics#Physics#Linguistics
What is the etymological origin of the word 'vector'?
TL;DR Summary: The word 'vector' originates from the Latin verb *vehere*, meaning 'to carry' or 'to transport'. In Latin, a vector is literally 'one who carries'.
What is the etymological origin of the word 'vector'?
Direct Answer
The word vector comes directly from the Latin noun vector, which means "carrier" or "bearer." This noun is derived from the Latin verb *vehere*, meaning "to carry," "to bear," or "to transport."
Linguistic Evolution
- Latin Roots: In ancient Rome, a vector was someone or something that carried things. It was also used in astronomy to describe the radius vector of a planet (carrying it along its orbit).
- Scientific Adoption: The term entered modern scientific and mathematical vocabulary through astronomy and physics. Sir Isaac Newton and later mathematicians used notions of transport and direction, leading to the adoption of vector in physics to describe quantities that have both magnitude and direction.
- Modern Mathematics: By the 19th century, with the development of vector spaces and quaternions (by mathematicians like William Rowan Hamilton and Josiah Willard Gibbs), the word solidified its place in mathematics to represent a quantity that 'carries' a point from one position to another.
Related Words
Because of its shared root (vehere), vector is etymologically related to several common English words involving movement and transportation:
- Vehicle (a conveyance for transporting goods or people)
- Convey (to carry or transport from one place to another)
- Inveigh (to carry verbal attacks against something)
- Vex (originally meaning to toss or shake, derived from the same root family)