Final answer:
In the given sentence, 'dictum' refers to a legendary saying or proverb. It's an established phrase that conveys a piece of wisdom or moral teaching, not a scientifically verifiable statement.
Step-by-step explanation:
The word "dictum" in the sentence 'pride comes before the fall' refers to b) A legendary saying or proverb. A "dictum" is an authoritative or formal statement of opinion, and in this context, it means a saying that has gained respect due to its wisdom or truth over time. These sayings often encapsulate moral teachings and have been passed down through generations. It's important to note that while scientific theories are based on evidence and can evolve into scientific laws when they have been tested and confirmed over time, sayings or proverbs are not subject to scientific verification. They belong to the realm of cultural wisdom. Remember that legal principles, such as precedent (stare decisis), also involve formal statements or decisions, but they are specific to the legal system and involve judgments that serve as a guide for future cases.