Jupiter (mythology) practice of swearing by Jove to witness an oath in law courts is the origin of the expression "by Jove!"—archaic, but still in use. The name of the god was also adopted as the name of the planet Jupiter; the adjective "jovial" originally described those born under the planet of Jupiter (reputed to be jolly, optimistic, and buoyant in temperament). Jove was the original namesake of Latin forms of the weekday now known in English as Thursday (originally called "Iovis Dies" in Latin). These became "jeudi" in French, "jueves" in Spanish, "joi" in Romanian, "giovedì" in Italian, "dijous" in Catalan,
Jove Books and editor Leo Margulies, though the latter two apparently "ghost-edited" by Sam Moskowitz (Margulies and Moskowitz would in the 1970s launch a short-lived revival of the magazine). Among the notable paperback reprint editions Pyramid published in the 1950s and '60s were several collections by Robert Heinlein, Hal Clement's novel "Mission of Gravity", and de Camp and Fletcher Pratt's "The Incompleat Enchanter". Pyramid also published Evan Hunter's science fiction novel "Tomorrow and Tomorrow" (1956 as by Hunt Collins), and a paperback reprint of Shirley Jackson's novel "The Road through the Wall" (1956) in two editions with the variant title "The Other