Answer: kerfed

AnswerCrossword Clue
kerfeddeep cut a few inches high, used to undermine a portion of a coal or mineral seam
kerfedto make a kerf or kerfs in (a piece of wood, a coal seam, etc.)
kerfedKERF, to make an incision with a cutting tool, also CARVE, KERVE
kerfedcut or incision made by a saw or the like in a piece of wood
kerfedthe act of cutting or carving