This is due to primarily to advances in technology (more reliable ovens, manufacture/availability of food molds) and ingredient availability (refined sugar). When removed the icing cooled quickly to form a hard, glossy [ice-like] covering.
In France, the word 'gateau' designates various patisserie items based on puff pastry, shortcrust pastry (basic pie dough), sweet pastry, pate saglee, choux pastry, Genoese and whisked sponges and meringue...
The word 'gateau' is derived from the Old French wastel, meaning 'food'.
In Victorian England cookery writers used 'gateau' initially to denote puddings such as rice baked in a mould, and moulded baked dishes of fish or meat; during the second part of the century it was also applied to highly decorated layer cakes.
Judging by the amount of space given to directions for making these in bakers' manuals of the time, they were tremendously popular... The primary meaning of the word 'gateau' is now a rich and elaborate cake filled with whipped cream and fruit, nuts, or chocolate. Generally, the round cakes we know today descended from ancient bread. They were typically fashioned into round balls and baked on hearthstones, griddles, or in low, shallow pans.
In medieval and Elizabethan times they were usually quite small...
Cake is a Viking contribution to the English language; it was borrowed from Old Norse kaka, which is related to a range of Germanic words, including modern English cook." ---An A to Z of Food and Drink, John Ayto [Oxford University Press: Oxford] 2002 (p. English borrowed gateau from French in the mid-nineteenth century, and at first used it fairly indiscriminately for any sort of cake, pudding, or cake-like pie...Gateau is generally used for fancy, but light or rich, often with fresh decoration, such as fresh fruit or whipped cream.Whereas a cake may remain fresh for several days after baking or even improve with keeping, a gateau usually includes fresh decoration or ingredients that do not keep well, such as fresh fruit or whipped cream.Casse-museau is a hard dry pastry still made today'...petits choux and gateaux feuilletes are mentioned in a charter by Robert, Bishop of Amiens in 1311." ---Larousse Gastronomique, completely revised and updated [Clarkson Potter: New York] 2001 (p. The original dividing line between cake and bread was fairly thin: Roman times eggs and butter were often added to basic bread dough to give a consistency we would recognize as cakelike, and this was frequently sweetened with honey.Terminologically, too, the earliest English cakes were virtually bread, their main distinguishing characteristics being their shape--round and flat--and the fact that they were hard on both sides from being turned over during baking..England the shape and contents of cakes were graudally converging toward our present understanding of the term.You will find references to him in French culinary history books.