Question

attrition

Accepted Answer

[desgaste] gradually making something weaker and destroying it, especially the strength or confidence of an enemy by repeatedly attacking it (Terrorist groups and the government have been engaged in a costly war of attrition since 2008.)

Front	attrition
Back	[desgaste] gradually making something weaker and destroying it, especially the strength or confidence of an enemy by repeatedly attacking it (Terrorist groups and the government have been engaged in a costly war of attrition since 2008.)

Attrition Desgaste Gradually Making Weaker Destroying Strength Confidence