The rupee today depreciated by 10 paise to 46.57 against the US currency in early trade largely in line with other weak Asian currencies.Dollar's demand from importers also put some pressure on the Indian rupee.At the Interbank Foreign Exchange (Forex) market, the domestic unit traded 10 paise down at 46.57 a dollar. The rupee ended 14 paise higher at 46.47 against the US currency in the previous session.