Panini is believed to have lived in the 4th century BCE, although the exact dates of his life are uncertain.

Panini's most famous work is the Ashtadhyayi, which is a comprehensive treatise on Sanskrit grammar.

The Ashtadhyayi consists of 3,959 rules, which are arranged in eight chapters.

Panini's grammar is based on the morpheme, which is the smallest meaningful unit of language.

Sandhi is the process of combining morphemes to form words in Panini's grammar.

Vibhakti is the term for the declension of nouns and pronouns in Panini's grammar.

Krit is the term for the conjugation of verbs in Panini's grammar.

Samasa is the term for the formation of compound words in Panini's grammar.

Sandhi is the term for the rules that govern the order of words in a sentence in Panini's grammar.

Shiksha is the term for the rules that govern the pronunciation of words in Panini's grammar.

Nirukta is the term for the rules that govern the meaning of words in Panini's grammar.

Vyakarana is the term for the rules that govern the usage of words in Panini's grammar.

Vakyapadiya is the term for the rules that govern the formation of sentences in Panini's grammar.

Mimamsa is the term for the rules that govern the interpretation of sentences in Panini's grammar.

Alankara is the term for the rules that govern the aesthetics of language in Panini's grammar.