noun
shaving; chipping
Refers to the process of shaving or chipping away concrete, paint, or similar materials, often in construction or renovation contexts.
壁のはつり作業が終わったら、掃除を始めます。
Once the wall chipping work is done, we'll start cleaning.
コンクリートのはつりには専用の工具が必要だ。
Special tools are needed for concrete shaving.
けずる is the general verb for shaving, planing, or cutting down; はつり is a noun specifically for chipping or shaving in construction contexts.
The nominalized form of the verb はつる (to shave, to chip), which is of uncertain origin but likely related to the idea of scraping or peeling away a surface.