Etymology of the English word trident
the English word
tridentderived from the Latin word
tridens (trident; with three teeth)
derived from the Classical Latin word
dens (tooth; tooth; tusk; ivory)
derived from the Proto-Indo-European root
*dent-using the Latin prefix
tri-derived from the Classical Latin word
tres (three)
derived from the Proto-Indo-European root
*trei-Date
The earliest known usage of trident in English dates from the 16th century.