to appropriate fraudulently to one's own use, as money or property entrusted to one's care.
Origin: 1375–1425; late Middle English embesilen < Anglo-French embeseiller to destroy, make away with, equivalent to em-em-1 + beseiller,Old French beseiller to destroy < ?
mid-15c., from Anglo-Fr. embesiler "to steal, cause to disappear" (c.1300), from O.Fr. besillier "torment, destroy, gouge," of unknown origin. Sense of "to dispose of fraudulently" is first recorded 1580s.