Excavating

3 clues
Dig action
Bringing up, in a way
Making hollow, in a way
Similar answers:
Aaarating
Abating
Abbreviating
Accommodating
Actuating
Adulating
Advocating
Aerating
Aggravating
Agitating
Airplaneseating
Alienating
Allatingle
Allocating
Alternatingcurrent
Ambulating
Animating
Annotating
Antedating
Antiquating