锲 鍥 qie4
to cut; to carve; to engrave; to chisel; fig. to chisel away at

strokes 17
radical
钅
金
strokes after radical 9
锲而不舍 鍥而不捨 qie4 er2 bu4 she3
to chip away at a task and not abandon it (idiom); to chisel away at sth; to persevere; unflagging efforts