Ineffabilis
Ineffabilis is a Latin adjective meaning ineffable or beyond expression. In Latin usage, it takes various gendered forms (for example, ineffabilis as masculine nominative, ineffabilis as feminine, and ineffabile in neuter), and is used to describe things that are difficult or impossible to articulate in human language. The word appears in religious, philosophical, and literary contexts where the subject is held to surpass human speech.
A notable use in Catholic tradition is the papal bull published under the title Ineffabilis Deus. Issued
Beyond this formal use, the term appears in theological, liturgical, and poetic contexts to evoke the inscrutable