ETYMOLOGY
from Latin tripudiāntem, pres. pple. of tripudiare from tripudium (a beating the ground with the feet, a leaping or dancing, a religious dance)
EXAMPLE
“…All which I mention with a kinde of tripudiant joy, and exultation of spirit, belonging so skilfull a Pilot…”
From: An Exposition vvith Notes, On The whole Fourth Chapter To The Romanes
By W. Sclater, 1650
Lexicophilia 