budge

Concise Oxford English Dictionary © 2008 Oxford University Press:
budge/bʌʤ/

▶verb

• 1 [usu. with neg.] make or cause to make the slightest movement.

  ■ (budge up or over) informal make room for another person by moving.

• 2 change or cause to change an opinion.

– origin C16: from Fr. bouger ‘to stir’, based on L. bullire ‘to boil’.