gain ground on

:  resources or advantage acquired or increased :  profit

:  the act or process of acquiring something

:  an increase in amount, magnitude, or degree

:  to acquire or get possession of usually by industry, merit, or craft

:  to win in competition or conflict

:  to arrive at :  reach, attain

:  the bottom of a body of water

:  sediment

:  ground coffee beans after brewing

:  to bring to or place on the ground

:  to cause to run aground

:  to provide a reason or justification for

: past tense and past participle ofgrind