Prose
The word "prose" first appears in English in the 14th century. It is derived from the Old French "prose", which in turn originates in the Latin expression "prosa oratio" (literally, straightforward or direct speech).
Fetch (folklore)
Accounts of the origin of "fetch" are complicated by a word "faecce", found in two textually-related Old English glossaries, the Corpus Glossary and the First Cleopatra Glossary. "Faecce" could in theory be an Old English form of modern English "fetch". In the glossaries, "faecce" is given as a lemma (a word to be glossed); given that most such words in these glossaries are in Latin, it ought to be a Latin word, but no such Latin word is known, leading some scholars to suggest it may by Old Irish. Since it is glossed with the Old English word "mære", which denotes female supernatural being associated with causing illness and nightmares, it could be the origin of the Hiberno-English "fetch". Recent research has not arrived at a consensus on this question.