Etymology of the English word quindecagon
the English word
quindecagonderived from the Latin word
quindecim (fifteen)
derived from the Classical Latin word
quinque (five)
derived from the Proto-Indo-European root
*penkʷederived from the Latin word
decem (ten)
derived from the Proto-Indo-European root
*dekm₀Date
The earliest known usage of quindecagon in English dates from the 16th century.
