Manipravalam (IAST: Maṇipravāḷam) മണിപ്രവാളം (macaronic) was a literary style used in medieval liturgical texts in South India, which used an admixture of Sanskrit and Tamil. Mani-pravalam literally means ruby-coral,  with Sanskrit referred to as ruby and Tamil as coral.
Native words and grammatical endings were written using Tamil, and Sanskrit words were written using Grantha script.
Līlātilakam, a work on grammar and rhetoric, written in the last quarter of the 14th century in Kerala, discusses the relationship between Manipravalam and Sangeetham as poetic forms. It lays special emphasis on the types of words that blend harmoniously. It points out that the rules of Sanskrit prosody should be followed in Manipravalam poetry. This particular school of poetry was patronized by the upper classes, especially the Nambudiris.
Dramatic performances given in Koothambalams, known by the names of Koothu and Koodiyattam, often used Sanskrit and Tamil. In Koodiyattam, the clown (vidooshaka) is allowed to use Malayalam while the hero recites slokas in Sanskrit. Tholan, a legendary court poet in the period of the Kulasekhara kings, is believed to have started this practice. The language of Kramadeepikas and Attaprakarams, which lay down the rules and regulations for these dramatic performances, is considerably influenced by the composite literary dialect of Manipravalam. Various hagiographies on the life of the Vaishnava saint Ramanuja were in manipravalam.
Effect on the history of the Malayalam scriptEdit
It is suggested that the advent of the Manipravalam style, where letters of the Grantha script coexisted with the traditional Vatteluttu letters, made it easier for people in Kerala to accept a Grantha-based script Ārya eḻuttŭ, and paved the way for the introduction of the new writing system. Eventually Vaṭṭeḻuttŭ was almost completely supplanted by Ārya eḻuttŭ, that is, the modern Malayalam script.
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After about AD 1500, translations from Sanskrit did appear, and unassimilated words began to flood literary Tamil; eventually a hybrid idiom (manipravalam) mixing Sanskrit and Tamil words, and Sanskrit words with Tamil inflections, was devised
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