the mind > mental capacity > expectation > disappointment > disappoint, frustrate [verb (transitive)] > of something expected (4)
transitive with double object or const. of: To disappoint of (something due or expected). Obsolete.
To deprive or disappoint of or from some advantage. Cf. 10a. Obsolete.
transitive. To disappoint (a person) of something promised. Obsolete. rare.
to cut short: (transitive) To curtail, abridge, or restrict (any one) in his privileges, means, etc.