An Etymological Dictionary of the German Language/Treff
Treff, n., ‘club’ (at cards), properly Treffle (18th cent.), from Fr. trèfle, ‘clover, trefoil’ (Lat. trifolium).
Treff, n., ‘club’ (at cards), properly Treffle (18th cent.), from Fr. trèfle, ‘clover, trefoil’ (Lat. trifolium).