Why Don’t We Wash Our Feet Every Morning?

Halacha requires washing one's hands each morning, and the Rosh explains that this is because the hands move around during the night, and likely touched an unclean part of the body. According to this explanation of the Rosh, we easily understand why Halacha requires washing only the hands, and not other parts of the body. Other sources, however, give other reasons for this obligation. The Zohar…