Buddhist cosmology
The ' (Sanskrit; Pali ') heaven is an important world of the devas in the Buddhist cosmology. The word ' is an adjective formed from the numeral ', "33" and can be translated in English as "belonging to the thirty-three [devas]". It is primarily the name of the second in the six heavens of the desire realm in Buddhist cosmology, and secondarily used of the devas who dwell there. Trāyastriṃśa is ruled by Śakra.