Webster's Revised Unabridged Dictionary · 1913

Furlough

Furlough , noun

[Probably from Dutch verlof, from a prefix akin to English for + the root of English lief, and akin to Danish forlov, Swedish forlof, German verlaub permission. See Life, a.]

(Military) Leave of absence; especially, leave given to an officer or soldier to be absent from service for a certain time; also, the document granting leave of absence.

Furlough ({not transcribed}) , transitive verb

(Military) To furnish with a furlough; to grant leave of absence to, as to an officer or soldier.