IPECAC

also ~uanha noun Etymology: Portuguese ~uanha, from Tupi ɨpekakwánʸa, from ɨpéka duck + akwánʸa penis Date: 1682 the dried rhizome and roots of either of two tropical American plants ( Cephaelis acuminata and C. ~uanha ) of the madder family used especially as a source of emetine, an emetic and expectorant drug that contains emetine and is prepared from ~ especially as a syrup for use in treating accidental poisoning