The first attempts to study grammar began in about the 4th cent. B.C., in India with Panini's grammar of Sanskrit and in Greece with Plato's dialogue Cratylus. The Greeks, and later the Romans, approached the study of grammar through philosophy. Concerned only with the study of their own language and not with foreign languages, early Greek and Latin grammars were devoted primarily to defining the parts of speech. The biblical commentator Rashi attempted to decipher the rules of ancient Hebrew grammar. It was not until the Middle Ages that grammarians became interested in languages other than their own. The scientific grammatical analysis of language began in the 19th cent. with the realization that languages have a history; this led to attempts at the genealogical classification of languages through comparative linguistics. Grammatical analysis was further developed in the 20th cent. and was greatly advanced by the theories of structural linguistics and transformational-generative grammar (see linguistics).
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