'Disenable' definitions:

Definition of 'disenable'

verb

Make unable to perform a certain action; "disable this command on your computer" [syn: disable, disenable, incapacitate] [ant: enable]

From: GCIDE

Disenable \Dis`en*a"ble\, v. t. [Pref. dis- + enable.] To disable; to disqualify. [1913 Webster]
The sight of it might damp me and disenable me to speak. --State Trials (1640). [1913 Webster]