I. ˈfər-(ˌ)lō noun
Etymology: Dutch verlof, literally, permission, from Middle Dutch, from ver- for- + lof permission; akin to Middle High German loube permission — more at for- , leave
Date: 1625
: a leave of absence from duty granted especially to a soldier ; also : a document authorizing such a leave of absence
II. transitive verb
Date: 1781
1. : to grant a furlough to
2. : to lay off from work