SPRINGBOARD
springboard, jumping-off point, point of departure
(noun) a beginning from which an enterprise is launched; “he uses other people’s ideas as a springboard for his own”; “reality provides the jumping-off point for his illusions”; “the point of departure of international comparison cannot be an institution but must be the function it carries out”
springboard
(noun) a flexible board for jumping upward
Source: WordNet® 3.1
Etymology
Noun
springboard (plural springboards)
A diving board consisting of a flexible, springy, cantilevered platform, used for diving into water.
(gymnastics) A small platform on springs and usually hinged at one end, used to launch or vault onto other equipment.
(figuratively) Anything that gives a person or thing energy or impulse, or that serves to launch or begin something.
Verb
springboard (third-person singular simple present springboards, present participle springboarding, simple past and past participle springboarded)
(transitive) To launch or propel as if from a springboard, especially toward political office.
Source: Wiktionary
Spring"board`, n.
Definition: An elastic board, secured at the ends, or at one end, often by
elastic supports, used in performing feats of agility or in
exercising.
Source: Webster’s Unabridged Dictionary 1913 Edition