The Jain monk and scholar Hemacandrācārya Suri was one of the earliest scholars of Prakrit and Apabhramsha grammars. He had penned a formal set of 'grammarian principles' as the harbinger of the Gujarati language during the reign of the Chaulukya king Jayasimha Siddharaja of Anhilwara. This treatise formed the cornerstone of Apabhramsa grammar in the Gujarati language, establishing a language from a combination of corrupted forms of languages like Sanskrit and Ardhamagadhi. He authored "Kavyanushasana" (Poetics), a handbook or manual of poetry, "Siddha-haima-shabdanushasana" on Prakrit and Apabhramsha grammars, and "Desinamamala", a list of words of local origin.