power drive
/ˈpaʊə drʌɪv/noun
1A piece of equipment which drives machinery using mechanical or electrical power.
2Originally US. Chiefly Sport. A powerful offensive manoeuvre, stroke, or shot; an energetic or powerful attempt or display.
3Chiefly Psychology and Sociology. The impulse to acquire or exercise power.
Origin
Early 20th century; earliest use found in The Cedar Rapids Evening Gazette. From power + drive.