abr- (from New Latin Abrus, genus name of Abrus precatorius rosary pea, borrowed from Arabic abrūz, afrūz "rosary pea," earlier, a name for Amaranthus tricolor) + -in entry 1
1884, in the meaning defined above
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“Abrin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/abrin. Accessed 4 Dec. 2023.
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