The phrase you mentioned—"Chattari Asth Das Doy Tap"—refers to a classification of various types of tapasya (austerities or ascetic practices) in Jainism.

Let’s break down the terms:

1. Chattari (Chaar) — means 4
2. Asth (Atha) — means 8
3. Das (Das) — means 10
4. Doy (Do) — means 2
5. Tap — means Austerities or penance

This phrase is a mnemonic used in Jainism to remember the main categories of vows and austerities that are practiced:

1. Chattari = 4

Refers to the four Kashayas (passions):

• Krodh (anger)
• Maan (pride)
• Maya (deceit)
• Lobha (greed)

Or, it can also refer to the four types of Kashaya Samvar (restraints).

2. Asth = 8

Refers to the eight types of karmas (ashta karma).

3. Das = 10

Refers to the ten lakshanas (characteristics) of dharma or the ten types of vitalities (pranas).

4. Doy = 2

Refers to the two types of tapas (austerities):

• Bahyatapa (external austerities) – 6 kinds
• Abhyantaratapa (internal austerities) – 6 kinds

5. Tap

Refers to austerities in general, which are an essential part of Jain spiritual practice. Jainism emphasizes practicing austerities to purify the soul and destroy karmas.

Summary Table

| Number | Jain Term | Meaning/Category | |-----------|------------------|------------------------------------------------------| | Chattari | 4 | Four kashayas or four restraints | | Asth | 8 | Eight types of karmas | | Das | 10 | Ten vitalities or ten dharma lakshanas | | Doy | 2 | Two types of austerities (external & internal) | | Tap | Austerities | Practices for spiritual purification |

In Context

This phrase is often taught to Jain children and students to remember the key groups of vows and austerities that form the core of Jain ethical and ascetic discipline.

References:

• Jain Tattva Vidya
• Tattvartha Sutra (by Acharya Umaswati)

If you want more details about any specific category (like the 6 external or internal austerities), please let me know!