They historically form a dialect continuum that descends from the Middle Prakrits.
This analysis excludes varieties sometimes claimed for Hindi for mere political reasons, such as Bihari, Rajasthani, and Pahari.
[4] Seb Seliyer (or at least its ancestor) appear to be Central Zone languages that migrated to the Middle East and Europe ca.
To Western Hindi Ethnologue adds Sansi (Sansiboli), Bagheli, Chamari (a spurious language), Bhaya, Gowari (not a separate language), and Ghera.
The Delhi Hindustani pronunciations [ɛː, ɔː] commonly have diphthongal realizations, ranging from [əɪ] to [ɑɪ] and from [əu] to [ɑu], respectively, in Eastern Hindi varieties and many non-standard Western Hindi varieties.