co-executrixn.

/kəʊɛkˈsɛkjʊtrɪks/
/kəʊɛɡˈzɛkjʊtrɪks/Etymology: < co- prefix 5c + executrix n. after co-executor n.
society > law > transfer of property > testamentary disposition > [noun] > management or disposal of estate > one who > female > joint
1847 in J. Craig
1884 16 Oct. 4/7 One of the co-executrices of the Dowager Lady Lytton.
This entry has not yet been fully updated (first published 1891; most recently modified version published online September 2018).