The term 'Euro PEAK' is a combination of two words, 'Euro' and 'PEAK'. Euro is the currency of the European Union, and PEAK is a term used to describe the highest point or level of something. Therefore, the term 'Euro PEAK' can be used to refer to the highest point or level of the European Union's currency. The crossword solution for this term is ALP, which is an abbreviation for the Alps, a mountain range in Europe. The Alps are the highest mountain range in Europe, and thus the term 'Euro PEAK' can be used to refer to the highest point or level of the European Union's currency in relation to the Alps.