It was coined in 1933 as Pakstan by Choudhry Rahmat Ali, a Pakistan Movement activist, who published it in his pamphlet Now or Never, using it as an acronym ("thirty million Muslim brethren who live in PAKSTAN") referring to the names of the five northern regions of the British Raj: Punjab, Afghania, Kashmir, Sindh, Baluchistan.
Pakstan became Pakistan for the ease of pronunciation over a period of time.
