1) From ‘brier-ball’ which may have been a gall found on rose-bushes.
The contexts in which this word occurs suggest that it was a reference to the colour of cloth used in making items of clothing: 1528 a brereball jacket, Burley
1543 a coterclothe of brereball, Potternewton
1560 one brearball gown, Thorner. These and other references are all from the Leeds area.