“It has its name of chancery, cancellaria, from the judge who presides here, the lord chancellor or cancellarius; who, Sir Edward Coke tells us, is so termed a cancellando, from cancelling the king’s letters patents when granted contrary to law ….” 3 William Blackstone, Commentaries on the Laws of England 46 (1768).
a cancellando
a cancellando (ay kan-s[schwa]-lan-doh). [Law Latin] From canceling.