euphorbium

noun

eu·​phor·​bi·​um

plural -s

: a yellow or brownish very acrid gum resin derived from a Moroccan spurge (Euphorbia resinifera) and other African spurges and formerly employed medicinally as an emetic and cathartic but now used chiefly in veterinary medicine as a vesicant

Word History

Etymology

Middle English euforbium, from Medieval Latin, from Greek euphorbion euphorbium, euphorbia, from Euphorbus

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