sunegild--prophetes.ai

† sunegild Obs. rare^—1.
  Also -ilt.
  [f. sunegen, sin v. + -ild fem. suffix (see grucchild).]
  A female sinner.

c 1230 Hali Meid. (MS. Titus) 43 As te eadi sunegild [MS. Bodl. sunegilt] marie Magdalene..bireowseð hare gultes.

Oxford English Dictionary