The Collaborative International Dictionary
Ardurous
Ardurous \Ar"du*rous\, a. Burning; ardent. [R.]
Lo! further on,
Where flames the arduous Spirit of Isidore.
--Cary.
Douglas Harper's Etymology Dictionary
ardurous
"full of ardor," 1770, a variant of arduous with overtones of amorous. Useful only to poets and first attested in Chatterton; perhaps, then, like his works, an instance of faux medievalism.\n