overbreak

Etymology
From, from , equivalent to.

Verb

 * 1)  To cave in near the edge of an excavation.
 * 2)  To get over; recover from.
 * He was never able to overbreak his rheumatism.
 * He was never able to overbreak his rheumatism.

Noun

 * 1)  Rock or earth excavated beyond the planned extent; caving in of material near the edge of an excavation.