What is the meaning of ای?

I

oh

eh

well

hey

a vowel of Kashmiri.

that is to say

if

O, hey

this

Transliteration of the name of the Latin-script letter a in English and other European languages.

↑ MacKenzie, D. N. (1971), A concise Pahlavi dictionary, London, New York, Toronto: Oxford University Press, page 93

↑ Dehkhoda, Ali-Akbar (1931–), “ای”, in Dehkhoda Dictionary Institute, editors, Dehkhoda Dictionary (in Persian), Tehran: University of Tehran Press.

Source: wiktionary.org