It seems that 掘 is an inflection
of 掘る.
Definition of 掘
Words related to 掘
- (n) well digging; well digger
彼の仕事は井戸掘りからゴミの処理にまで及ぶ。
His tasks range from digging wells to getting rid of garbage.

Sentences containing 掘
Pretty soon along came a steam shovel and dug a road through the hill covered with daisies.
Pretty soon they tore down the apartment houses and tenement houses around the Little House started digging big cellars...one on each side.
