O leurs essors fougueux, leurs flammes dispersees, Leur rouge Acharnement ou leur accord vermeil!
"A Prisoner in Fairyland"
Algernon Blackwood
Having had many opportunities of watching them, I can positively assert that they were divided into two parties, which fought with a skill and an Acharnement that astounded me.
"Personal Narrative of a Pilgrimage to Al-Madinah and Meccah"
Sir Richard Francis Burton
The chronicles of the time differ as to whether the French chiefs failed to support her through jealousy, or fought with Acharnement to save her from falling into the hands of the besieged.
"Paris from the Earliest Period to the Present Day; Volume 1"
William Walton