J / Jŏvis-jūrandum
noun

Jŏvis-jūrandum

gen. Jŏvis-jūrandi · gender neuter · decl. 2nd
a swearing by Jupiter;
a swearing by Jupiter; for jus-jurandum, Enn. ap. App. de Deo Socr. p. 45, 4 (but Vahl. reads jusjurandum Jovis, Trag. Fragm. v. 410).