Where does “اک” come from?

اک (Pahari-Potwari) comes from Sauraseni Prakrit 𑀏𑀓𑁆𑀓, from Ashokan Prakrit 𑀏𑀓, from Sanskrit एक, from Proto-Indo-Aryan Háykas, from Proto-Indo-Iranian Háykas, from Proto-Indo-European óynos — one; single.

اک (Pahari-Potwari): meaning one

Definitions

meaning one

Ancestry of “اک”, step by step

Step	Language	Word	Meaning
1	Sauraseni Prakrit	𑀏𑀓𑁆𑀓	one
2	Ashokan Prakrit	𑀏𑀓	one
3	Sanskrit	एक	one; alone, solitary, single, happening only...
4	Proto-Indo-Aryan	Háykas	one
5	Proto-Indo-Iranian	Háykas	one
6	Proto-Indo-European	óynos	one; single

Every word from Proto-Indo-European óynos →Every word from Proto-Indo-Iranian Háykas →Every word from Proto-Indo-Aryan Háykas →