ipecac; ipecacuanha
Refers to the plant Cephaelis ipecacuanha, known for its emetic properties. The term is used in botanical and medical contexts.
Ipecac was once used as an emetic.
From Portuguese 'ipecacuanha', ultimately from Tupi. The kanji 吐根 are ateji, meaning 'vomit' and 'root', reflecting its use.