Dictionary Jastrow of the Targumim, Talmud Bavli, Talmud Yerushalmi and Midrashic Literature. PDF
 
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The PDF does not have an index, but it does have a word search.
The Jastrow Dictionary, as it is commonly known, is a monumental work of scholarship that provides comprehensive definitions and explanations of the Aramaic and Hebrew words found in the Targumim, the Talmud Bavli, the Talmud Yerushalmi, and the Midrashic literature. It is the definitive choice for studying these ancient and complex texts, as it covers a wide range of topics, such as history, geography, culture, religion, law, philosophy, science, and more. The dictionary was compiled by Marcus Jastrow, a renowned rabbi and scholar, who devoted more than 20 years of his life to this project. He published the first volume in 1903, and the second volume in 1905. The dictionary contains over 30,000 entries, arranged alphabetically according to the roots of the words. Each entry provides the various forms and meanings of the word, as well as its etymology, usage, and references to the sources where it appears. The dictionary also includes an index of scriptural quotations, which lists the verses from the Tanakh (Hebrew Bible) that are cited or alluded to in the Targumim, the Talmud, and the Midrashim.
 
The Jastrow Dictionary is an indispensable resource for anyone interested in the rich and diverse literature of Judaism. It is not only a linguistic tool, but also a cultural and historical treasure, that reveals the wisdom and creativity of the Jewish people throughout the ages. The dictionary is widely acclaimed and respected by scholars and students alike, and has been reprinted and digitized several times. It is available online for free access at the Internet Archive12, and also as a printed book from various publishers. The dictionary is written in English, with the Aramaic and Hebrew words transliterated and printed in their original scripts. The dictionary is suitable for readers who have some basic knowledge of these languages, or who are willing to learn them with the help of the dictionary itself. The Jastrow Dictionary is a masterpiece of scholarship and a valuable companion for exploring the Targumim, the Talmud, and the Midrashim.