Meaning

noun a legally binding command or decision entered on the court record (as if issued by a court or judge)

originBack-formation from Fiat as a backronym. From the tendency of Fiat automobiles to apocryphally be always in need of repair. From Italian FIAT, from Fabbrica Italiana Automobili di Torino (“Italian Automobiles Factory of Turin”)

Etymology from Wiktionary, CC BY-SA 3.0