The Collaborative International Dictionary of English v.0.48:

Sauf \Sauf\, a.
   Safe. [Obs.] --Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Sauf \Sauf\, conj. & prep.
   Save; except. [Obs.] "Sauf I myself." --Chaucer.
   [1913 Webster]