Late 18th century; earliest use found in General Evening Post. From classical Latin līberātrīx, feminine form corresponding to līberātor from līberāt-, past participial stem of līberāre + -trīx.
Definition of liberatrix in US English:
liberatrix
nounˈlɪbəreɪtrɪks
= liberatress.
Origin
Late 18th century; earliest use found in General Evening Post. From classical Latin līberātrīx, feminine form corresponding to līberātor from līberāt-, past participial stem of līberāre + -trīx.