This is probably a feminine version of Farid-ud-Din or Fariduddin. This is from Arabic words meaning "uniqueness of religion" or "unique of the religion", and was the name of a Persian poet who died around 1230 and a Sufi saint in
India who died around 1265.
This information is from
The Complete Book of Muslim & Parsi Names by Maneka Gandhi and Ozair
Husain, and
A Dictionary of Muslim Names by Salahuddin
Ahmed.