in Framley Parsonage

Chapter 31 – Salmon Fishing in Norway

by Jove

An exclamation uttered by Mr. Green Walker to Mr. Harold Smith.  This interjection was used commonly in Victorian England.  Jove is another name for Jupiter, the greatest of the Roman gods; his name was used as an interjection or part of one in Classical Latin, as well.  [JM 2005]

Sources:  OED.