Shaucha (शौच), purity, is one of the Niyamas of Yoga or Hinduism. It is mentioned in the Mahabharata and Patanjali's text.
Shaucha, cleanliness, is the first niyama. Not only external cleanliness, like having a shower, brushing your teeth, etc.
Shaucha: purity of body and mind (2.40, 2.41)
Santosha: contentment (2.42)
Tapah: training the senses, austerities, ascesis (2.43)
Svadhyaya: self-study, reflection on sacred words (2.44) ...
Shaucha - Purifying body, mind, and spirit
Samtosha - Contentment, cultivating the inner joys shich come with freedom from desire
Tapas - Self-discipline, developing a strong will, training the habits of body and mind ...
Shaucha (purification) is a central aim of many yogic techniques, and is the first principle of Patanjali's five Niyamas.
The Niyamas are:
1. Shaucha: Purity or Cleanliness
2. Santosa: Contentment
3. Tapas: Self-discipline or burning spiritual desire
4. Svadyaya: Self-study or contemplation
5. Ishvara Pranidhana: Surrender to the Absolute.
See also: Yoga, Shauch, Niyama, Mind, Yamas