contrayerva

contrayerva

[kon-truh-yur-vuh]
noun
the root of certain tropical American plants of the genus Dorstenia, of the mulberry family, especially D. contrajerva, used as a stimulant, diaphoretic, etc.

Origin:
1650–60; < Spanish contrayerba, contrahierba < Latin contrā contra-1 + herba herb; so called from its being thought an antidote to poison

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contrayerva (ˌkɒntrəˈjɜːvə)
 
n
the root of any of several tropical American moraceous plants of the genus Dorstenia, esp D. contrayerva, used as a stimulant and tonic
 
[C17: from Spanish contrayerba, from contra- + yerba grass, (poisonous) plant, from Latin herba; referring to the belief that it was an antidote to poisons]

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