Wörterbuch der aegyptischen Sprache

The Wörterbuch der ägyptischen Sprache (English: Dictionary of the Egyptian Language), abbreviated Wb in bibliographic references, is a large German-language dictionary of the Egyptian language published between 1926 and 1961 by Adolf Erman and Hermann Grapow. It is a comprehensive work encompassing 3000 years of linguistic history, including Old, Middle, and Late Egyptian as well as hieroglyphic inscriptions of the Classical Greco-Roman period. The dictionary contains approximately 16,000 headwords in five main volumes, two secondary volumes, and five volumes of primary source references. It is therefore the largest and most complete printed dictionary of Ancient Egyptian in existence.

Begun in 1897 as a research project at the Prussian Academy of Sciences in Berlin, the dictionary is also known as the "Berlin Dictionary". Interrupted by both World War I and World War II, the first volumes were published in 1926 and the final volume released in 1961. Today the dictionary forms the basis of the new Altägyptisches Wörterbuch (Dictionary of Ancient Egyptian), a comprehensive update of the original and an online digitization project being conducted under the auspices of the Berlin-Brandenburg Academy of Sciences and Humanities since 1993.

The project was launched in 1897 by Adolf Erman during the reign of Wilhelm II and supported with 120,000 Reichsmark. The project was undertaken at scientific Academies in Berlin, Göttingen, Leipzig and Munich elected by a Commission. Although cooperative international work was interrupted by World War I, the number of archived source texts had grown to 1,374,806 by 1918. Erman and Grapow published an intermediate result of the work as the "Egyptian Concise Dictionary" in 1921. In 1926 the five main volumes, financed by John Davison Rockefeller, Jr. and autographed by the Danish Egyptologist Volya Erichsen, were published.

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