The term 'Buddhism Canon' refers to the sacred texts of Buddhism, which are collectively known as the Tripitaka. The EOS in this crossword solution is an acronym for the Pali language term 'Ekottarika-agama', which is one of the five collections of scriptures that make up the Tripitaka. The RICOH stands for the Sanskrit term 'Rig Veda', which is another collection of scriptures that make up the Tripitaka. Together, these two terms refer to the Buddhist Canon, which is the collection of sacred texts that form the basis of the Buddhist religion.