Origin: ME pympernelle < OFr piprenelle < LL pimpinella, an herb with medicinal uses, prob. altered < *piperinella, ult. < L piper, pepper: its fruit resembles small peppercorns
See pimpernel in American Heritage Dictionary 4
Origin: Middle English pimpernelle
Origin: , from Old French
Origin: , alteration of piprenelle
Origin: , from Late Latin pimpinella
Origin: , perhaps from Latin piper, pepper; see pepper.
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