Dict: easton - Shur

easton:

Shur @ an enclosure; a wall, a part, probably, of the Arabian desert, on the north-eastern border of Egypt, giving its name to a wilderness extending from Egypt toward Philistia kjv@Genesis:16:7 kjv@Genesis:20:1 kjv@Genesis:25:18 ; kjv@Exodus:15:22). The name was probably given to it from the wall (or shur) which the Egyptians built to defend their frontier on the north-east from the desert tribes. This wall or line of fortifications extended from Pelusium to Heliopolis.