Etymology of the Latin word diagonalis
the Vulgar Latin word
diagonalis (diagonal, from one angle to an opposite)
derived from the Latin word
diagonus (diagonal line, line from one angle to an opposite)
derived from the Greek word
diagoniosusing the Medieval Greek prefix
dia-, δια-
derived from the Greek word
dia, διά (through, between)
derived from the Greek word
gonia, γωνία (angle; an angle)
derived from the Proto-Indo-European root
*genu-Derivations in other languages
English
diagonal, French
diagonal, Portuguese
diagonal, Spanish
diagonalUsage
Word found in Vulgar Latin
