The Dutch phrase you provided asks about a peppermint-flavored liqueur. A common and well-known name for a peppermint liqueur is:

• pepermuntlikeur (literally “peppermint liqueur”)
• Bols Peppermint (Peppermint Green) is a widely recognized brand-name example widely associated with peppermint flavor.

If you’re looking for a specific bottled product linked to a peppermint taste, brands like Bols Peppermint/ Peppermint Green and Get 27 are frequently cited in European markets as peppermint-flavored liqueurs. The term you might have seen in crosswords or product lists is usually "pepermunt likeur" in Dutch, which corresponds to 5,2 letters in some puzzles, or simply "pepermunt" for the flavor component. If you want, provide a bit more context (e.g., country, brand preferences, or whether you’re solving a crossword), and the answer can be narrowed down.