They are usually cut on the bias, making them naturally stretchy, which is important when pants are closefitting.
They are also longer than the leg and sometimes finish with a tightly fitting buttoned cuff at the ankle.
The word churidar is from Hindi and made its way into English only in the 20th century.
[2] Earlier, tight-fitting churidar-like pants worn in India were referred to by the British as Moghul breeches, long-drawers, or mosquito drawers.
[3] Churidars are usually worn with a kameez (tunic) by women or a kurta (a loose overshirt) by men, or they can form part of a bodice and skirt ensemble.