Punjabi language
Doabi is spoken in both the Indian Punjab as well as parts of Pakistan Punjab owing to post-1947 migration of Muslim populace from East Punjab. The word "Do Aabi" means "the land between two rivers" and this dialect was historically spoken between the rivers of the Beas and the Sutlej in the region called Doaba. Regions it is presently spoken includes the Jalandhar, Hoshiarpur and Kapurthala districts in Indian Punjab, specifically in the areas known as the Dona and Manjki, as well as the Toba Tek Singh and Faisalabad districts in Pakistan Punjab where the dialect is known as Faisalabadi Punjabi.
Punjabi language
Punjabi developed from Sanskrit through Prakrit languages and later (Sanskrit: ; corruption or corrupted speech) From 600 BC Sanskrit gave birth to many regional languages in different parts of India. All these languages are called Prakrit (Sanskrit: ) collectively. Shauraseni Prakrit was one of these Prakrit languages, which was spoken in north and north-western India and Punjabi and western dialects of Hindi developed from this Prakrit. Later in northern India Shauraseni Prakrit gave rise to Shauraseni Aparbhsha, a descendent of Prakrit. Punjabi emerged as an Apabhramsha, a degenerated form of Prakrit, in the 7th century A.D. and became stable by the 10th century. By the 10th century, many Nath poets were associated with earlier Punjabi works.