Origin of arduous
Examples from the Web for arduously
Gifted with a naturally fine organ, he has cultivated it arduously and to excellent purpose.Vocal Mastery|Harriette Brower
In the conventional significance of the word her life was hardly toilsome, but it was none the less most arduously occupied.Thirty|Howard Vincent O'Brien
She and others were questioned long and arduously by police without result.
The reputation we have been building up so arduously for years has been swept away in two short hours.Following the Color Line|Ray Stannard Baker
As he saw it, society would grow better only through the painfully slow and arduously painful processes of evolution.The Night-Born|Jack London
Word Origin for arduous
1530s, "hard to accomplish, difficult to do," from Latin arduus "high, steep," also figuratively, "difficult," from PIE root *eredh- "to grow, high" (see ortho-). Literal sense of "high, steep, difficult to climb," attested in English from 1709.