The Jack, or the fourth highest ranking card of any suit The word itself become obsolete due to the use of abbreviated forms to designate the suits Since the "K" stood for the King, "Kn" would have signified the Knave, but this proved too cumbersome
A lad, a garcon, a servant (Anglo-Saxon, cnáfa; German, knabe ) The knave of clubs, etc , is the son or servant of the king and queen thereof In an old version of the Bible we read: Paul, a knave of Jesus Christ, called to be an apostle, etc (Rom i 1) This version, we are told, is in the Harleian Library, but is generally supposed to be a forgery But, without doubt, Wycliff (Rev xii 5, 13) used the compound Knave-child, and Chaucer uses the same in the Man of Lawe's Tale, line 5130
{i} jack, playing card with the figure of a knave; rogue, cheater, crook, scoundrel, villain
A lad, a garcon, a servant (Anglo-Saxon, cnáfa; German, knabe ) The knave of clubs, etc , is the son or servant of the king and queen thereof In an old version of the Bible we read: Paul, a knave of Jesus Christ, called to be an apostle, etc (Rom i 1) This version, we are told, is in the Harlelan Library, but is generally supposed to be a forgery But, without doubt, Wycliff (Rev xii 5, 13) used the compound Knave-child, and Chaucer uses the same in the Man of Lawe's Tale, line 5130