The etymology of the term hammock is obscure. Dictionaries usually give it as an archaic form of hummock (hammock appeared in print earlier than hummock). Hammock is first attested in English in the 1550s as a nautical term for a tree-covered island (a mound of trees) seen on the horizon.
Here is a little breakdown for what type of yeast works well with which fruit: Montrachet: A very good general use wine yeast for most fruits. When in doubt use this yeast. One of the more neutral yeasts available so that the fruit flavor is what comes through the most. Cotes Des Blanc/ K1V-1126: These yeast strains are very good for fruit that produces a white wine look at the end. Wines such as apple or pear will work very well with this strain of yeast.
(TAN210) Wine Tannin (also known as tannic acid) is very light in color and is preferred by most winemakers to be used with white and rose wines, but it can be used in red wines as well. Tannins are found naturally in fruits such as elderberries, plums and apples.