/ ɪˈlɪksə(r); NAmE ; BrE also -sɪə(r)/ noun
( literary ) a magic liquid that is believed to cure illnesses or to make people live for ever :
the elixir of life / youth
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WORD ORIGIN
late Middle English : via medieval Latin from Arabic al-'iksīr , from al the + 'iksīr from Greek xērion powder for drying wounds (from xēros dry).