Answer: excavated

AnswerCrossword Clue
EXCAVATEDHollowed out
excavatedReveal or extract (buried remains) in this way
excavatedDig out material from (the ground)
excavatedExtract (material) from the ground by digging
excavatedEXCAVATE, to dig out
excavatedMake (a hole or channel) by digging
excavatedRemove earth carefully and systematically from (an area) in order to find buried remains