Resign, as a position

• Relinquish, as an office
• Withdraw from office
• Relinquish office
• Call it quits
• Fancy way to resign
• Send down
• Resign, as a job

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1610s (figurative), 1640s (literal), from Latin demittere "to send down," from de- (see de- ) + mittere "to send" (see mission ).

Wiktionary Word definitions in Wiktionary
n. 1 The act of demitting. 2 A document certifying that a person has (honourably) demitted, as from a Masonic lodge. vb. 1 (context transitive English) To let fall; to depress; to yield. 2 To relinquish an office, membership, authority, etc.; to resign, ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Demit \De*mit"\, n. The act of demitting; also, a letter, certificate, or the like, certifying that a person has (honorably) demitted, as from a Masonic lodge. [Webster 1913 Suppl.] ||