Amarakosha

The Amarakośa is a classical Sanskrit thesaurus attributed to Amarasimha. It organizes words by semantic categories such as heaven, time, speech, earth, plants, animals, humans, castes, qualities, and polysemous terms. Widely used in traditional Sanskrit education, it helps students master vocabulary, synonyms, gender, and poetic usage. Its compact metrical form made it easy to memorize and central to grammar, poetry, and lexicographical study.