unfleecev.
Etymology: Previous versions of the OED give the stress as: unˈfleece.
the mind > possession > loss > taking away > take away [verb (transitive)] > fleece
1609 T. Dekker sig. D2 The Clergie..shall haue thin cheeks, for euery body shall fleece or rather vnfleece them.
This entry has not yet been fully updated (first published 1921; most recently modified version published online June 2019).