George Duke wrote on Tue, Oct 26, 2010 11:31 AM EDT:
Thanks Mohsen. The sound is Persian derivation/origin certainly. Here about year 1540 in the 7th and 8th line is used ''Ferse,''
http://www.chessvariants.org/fiction.dir/poems/chess_morality_xv.html, quoted from Henry Howard, Earl of Surrey(1514-1547), writing in English,
http://www.luminarium.org/renlit/henrybio.htm, writer and chess player. In that language at that time of early 16th century they refer to modern strong Queen, who just spread there from the Mediterranean. Then in the new poem below, Chess Morality XV, the Queen speaking uses ''Ferse.''