speculoos is sourced and derived from the Dutch word 'speculaas' and it is a type or form of biscuit or cookies that we eat on a daily basis as part of our breakfast or snacks.The word or the term speculoos is sourced and derived from the Dutch word 'speculaas' and it is a type or form of biscuit or cookies that we eat on a daily basis as part of our breakfast or snacks.