The Oxford dictionary of English etymology - C. T Onions

The Oxford Dictionary of English Etymology is the most comprehensive dictionary of the English language ever published. It is based on the original edition of the Oxford English Dictionary but much augmented by further research on the etymology of English and other languages. Providing a fascinating insight into the development of English, it describes 38,000 words in 24,000 articles which include: current meanings of each word; date of first recordedappearance in English; chronology of the development of each word's senses; earliest written form in English; related words in other languages; pronunciation.