regeneratrix
/rɪˈdʒɛnəˌreɪtrɪks/ /riːˈdʒɛnəˌreɪtrɪks/noun
A woman who regenerates someone or something.
Origin
Early 17th century; earliest use found in Henry Hexham (fl. 1601–1650), soldier and author. From post-classical Latin regeneratrix, feminine form corresponding to regenerator: see -trix. Compare generatrix.