furlong
Concise Oxford English Dictionary © 2008 Oxford University Press:
furlong/ˈfɜːlɒŋ/
▶noun an eighth of a mile, 220 yards.
– origin OE furlang, from furh ‘furrow’ + lang ‘long’ (orig. denoting the length of a furrow in a common field, also used as the equivalent of the Roman stadium, one eighth of a Roman mile).
'furlong' also found in these Oxford entries:

