avertressn.
Etymology: < averter n. + -ess suffix1.
the world > action or operation > difficulty > hindrance > hindering completely or preventing > [noun] > obviating or averting > one who or that which > female
1838 43 259 'Twas thine in youth to seek the tomb, Avertress of thy husband's doom!
This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2021).