Middle Gujarati (AD 1500–1800), split off from Rajasthani, and developed the phonemes ɛ and ɔ, the auxiliary stem ''ch''-, and the possessive marker -''n''-. Major phonological changes characteristic of the transition between Old and Middle Gujarati are: *i, u develop to ə in open

syllable A syllable is a unit of organization for a sequence of speech sounds typically made up of a syllable nucleus (most often a vowel) with optional initial and final margins (typically, consonants). Syllables are often considered the phonological "bu ...

s *

diphthong A diphthong ( ; , ), also known as a gliding vowel, is a combination of two adjacent vowel sounds within the same syllable. Technically, a diphthong is a vowel with two different targets: that is, the tongue (and/or other parts of the speech o ...

s əi, əu change to ɛ and ɔ in initial syllables and to e and o elsewhere *əũ develops to ɔ̃ in initial syllables and to ű in final syllables These developments would have grammatical consequences. For example, Old Gujarati's instrumental-locative singular in -i was leveled and eliminated, having become the same as Old Gujarati's nominative/accusative singular in -ə.

References

Gujarati language Cultural history of Gujarat Indo-Aryan languages Languages attested from the 15th century {{IndoAryan-lang-stub