pashto

noun

1. an Indo-European, Iranian language that is the official language of Afghanistan and the chief vernacular of the eastern part of the nation.

noun

1. a language of Afghanistan and NW Pakistan, belonging to the East Iranian branch of the Indo-European family: since 1936 the official language of Afghanistan
2. plural -to, -tos, -tu or -tus a speaker of the Pashto language; a Pathan

adjective

3. denoting or relating to this language or a speaker of it

n.1784, from Persian pashto (Afghan pakhto). Related: Pashtun.