Other sources:
- עירית ('Irith) Pirkei D'Rabbi Eliezer 25:11.
- עידית ('Idith) Midrash Tanchuma Buber 8:1; Bereshis Rabbathi uses it
- עדית ('Edith) Yalkut Shimoni 84:2, Bereshis Rabbathi Vayera 17 uses this name when quoting Pirkei D'Rabbi Eliezer 25:11.
It is likely a result of the well-known typo ד and ר confused.