Perhaps you’ve seen a silvery bottle of Bols Genever sitting on a back bar or liquor store and wondered what it was. Perhaps you’ve heard that it’s “like gin, but different.” Yes and no. Long popular in The Netherlands and Belgium, genever — also known as geneva, genievre, jenever, Holland gin, or Dutch gin — is essentially a distilled malted spirit (something like an unaged Scotch) often blended with grain neutral spirit, then infused or further distilled with various herbs and spices, including a healthy amount of juniper, like gin. It can be clear, lightly aged, or aged in oak for several years.
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https://www.themanual.com/food-and-drink/what-is-genever-jenever-guide-cocktails/