Where does “pimpernele” come from?

pimpernele (Old French) comes from Middle French pimpinelle, from Medieval Latin pimpinella.

Ancestry of “pimpernele”, step by step

Step	Language	Word	Meaning
1	Middle French	pimpinelle	burnet saxifrage
2	Medieval Latin	pimpinella	—

pimpernele — Etymology, Origin & Word History | Etymology Explorer