jump off

verbs

set off quickly, usually with success

"The freshman jumped off to a good start in his math class"

jump off

is a type of (narrower)

take the first step or steps in carrying out an action

"We began working at dawn"; "Who will start?"; "Get working as soon as the sun rises!"; "The first tourists began to arrive in Cambodia"; "He began early in the day"; "Let's get down to work now"

begin, commence, get, get down, set about, set out, start, start out

jump down from an elevated point

"the parachutist didn't want to jump"; "every year, hundreds of people jump off the Golden Gate bridge"; "the widow leapt into the funeral pyre"

jump, jump off, leap