Budaya is the plural form of the word Budi. Budi is synonymous to akal budi or kebudayaan.
This original Indonesian word is very philosophical, since it has been
explained, interpreted, re-interpreted, and made a philosophical
discourse in Indonesian philosophers' circle up to this time. Indonesian philosophy world is not considered as complete without mentioning this discourse. Its derivatives, such as Budayawan, Budiman, and Budi daya, are now also discussed among Indonesian philosophers, especially those who are called philosophers of Kebudayaan.
Philosophers of the various schools of philosophy define the word Budi (plural, Budaya)
with different definitions, suited to their school interests. The
oldest definition of the word is found in the 18th century Ancient Javanese manuscript Serat Centhini. According to the text, Budi
is suprahuman, spiritual entity which mediates between God's being and
human's being. It is a purely spiritual substance originated from God. Here is the excerpt: