Etymology of the English word triceps
the English word
tricepsderived from the Latin word
tricepsderived from the Latin word
caput (head; small head; head; head; head; head; person; life; heading; chapter, principal division)
derived from the Proto-Indo-European root
*kaput- (head)
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 triceps in English dates from the 16th century.