एक ख़ास

a particular

→ एक
phrase Rare #10,725
a particular Can also mean “a certain” or “special,” depending on the noun it describes.
HI: मुझे एक ख़ास किताब चाहिए।
EN: I need a particular book.

पर उनकी एक ख़ास बात है।

But there’s something special about them.

— రౌద్రం రణం రుధిరం (2022)

शहर का एक ख़ास बड़ा हिस्सा उसका था।

He owned a particularly large part of the city.