philosophia prima
/fɪlə(ʊ)ˌsɒfɪə ˈpriːmə/noun
The study of the most general philosophical truths; specifically metaphysics, the study of the nature of divinity and eternity.
Origin
Early 17th century; earliest use found in Francis Bacon (1561–1626), lord chancellor, politician, and philosopher. From post-classical Latin philosophia prima first philosophy from classical Latin philosophia + prīma, feminine of prīmus, after ancient Greek ἡ πρώτη ϕιλοσοϕία metaphysics (Aristotle).