Booster
来自Big Physics
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early 19th century (originally US, in boost (sense 2 of the verb)): of unknown origin.
wiktionary
boost + -er
etymonline
booster (n.)
1890, "one who boosts" something, agent noun from boost (v.). Electrical sense is recorded from 1894. Young child's booster chair is attested under that name from 1957 (booster-seat is from 1956). Related: Boosterism (1914).
