. "Buddha-nature or Buddha Principle refers to several related terms, most notably Tath\u0101gatagarbha and Buddhadh\u0101tu. Tath\u0101gatagarbha means \"the womb\" or \"embryo\" (garbha) of the \"thus-gone\" (tathagata), or \"containing a tathagata\", while Buddhadh\u0101tu literally means \"Buddha-realm\" or \"Buddha-substrate\"."@en .