The Collaborative International Dictionary of English v.0.48:
Sur- \Sur-\ [F. sur over, above, contr. fr. L. super, supra. See Super-.] A prefix signifying over, above, beyond, upon. [1913 Webster]WordNet (r) 3.0 (2006):
Sur n 1: a port in southern Lebanon on the Mediterranean Sea; formerly a major Phoenician seaport famous for silks [syn: Sur, Tyre]