Ymb-gangan

According to the Old English Dictionary:

ymb-gangan

Add: to surround, encompass :-- 'Send mé þínne engel on fýrenum wolcne þæt þá embgange ealle þás ceastre þæt ne magen geneósian for þsém fýre.' And þus cweþende fýren wolc[n] ástáh of heofonum, and hit ymbsealde ealle þá ceastre, Bl. H. 245, 29. ymb-gangan