React
来自Big Physics
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mid 17th century: from re- (expressing intensive force or reversal) + act, originally suggested by medieval Latin react- ‘done again’, from the verb reagere .
wiktionary
From re- + act.
etymonline
react (v.)
1640s, "to exert, as a thing acted upon, an opposite action upon the agent," from re- "back" + act (v.). Related: Reacted; reacting (1610s). For sense development, see reaction. The verb meaning "to perform again, do a second time" (often written re-actand given full pronunciation of the prefix to distinguish it from react) is from 1650s, from the "again" sense in re-.
