Noun
A shrub of Madagascar.
A poison made from this shrub.
Source: en.wiktionary.orgFar more, however, were punished in other ways: many were required to undergo the tangena ordeal, while others were condemned to hard labor or the confiscation of their land and property, and many of these consequently died. Source: Internet
In 1838, it was estimated that as many as 100,000 people in Imerina died as a result of the tangena ordeal, constituting roughly 20% of the population. citation contributing to a strongly unfavorable view of Ranavalona's rule in historical accounts. Source: Internet
Residents of Madagascar could accuse one another of various crimes, including theft, Christianity and especially witchcraft, for which the ordeal of tangena was routinely obligatory. Source: Internet