ontology
study of the nature of being, becoming, existence or reality, as well as the basic categories of being and their relations (philosophy)
en-US/ɑnˈtɑləd͡ʒi/
en-GB/ɒnˈtɒləd͡ʒɪ/
study of the nature of being, becoming, existence or reality, as well as the basic categories of being and their relations (philosophy)