Douglas Harper's Etymology Dictionary
Usage examples of "over-anxious".
He had received no serious injury as yet, for not only was his body protected by a buckler, or small oblong shield, which he carried upon his left arm, and his head by a bascinet, or light helmet of steel, but perhaps, after all, Blunt was not over-anxious to do him any dangerous harm.
They had fought well if briefly in the skirmishes against the crew of the Crane: some had died, over-anxious to get in a blow against the race that had enslaved and tormented them.