comfortress

From comforter +‎ -ess.

comfortress (plural comfortresses)

1. (rare) A woman who comforts.
   • 1605 (first performance), Ben[jamin] Jonson, Ben: Ionson His Volpone or The Foxe, [London]: […] [George Eld] for Thomas Thorppe, published 1607, →OCLC, (please specify the Internet Archive page):

     To be your comfortress, and to preserve you

• “comfortress”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.