demit

Etymology
From.

Verb

 * 1)  To let fall; to depress; to yield.
 * 2) To relinquish an office, membership, authority, etc.; to resign, as from a Masonic lodge.

Noun

 * 1) The act of demitting.
 * 2) A document certifying that a person has (honourably) demitted, as from a Masonic lodge.