👉 In linguistics and philosophy, a "by past" is an expression used to indicate that something has already happened or is happening. It's like saying, "That event happened 10 years ago." In this context, "by past" is often used in conjunction with the phrase "since then" to describe how something has changed since its start. For example: - The speaker might say: "I've known that idea for a while now but I just recently learned about it." -