That's a very interesting phrase! It sounds like a quote or a proverb, but it's not a commonly known one. It's also grammatically a bit unusual.

Here's what I can tell you:

* It's grammatically incorrect: The most common phrase is "Cometh the hour, cometh the man." This makes more sense grammatically and follows a traditional poetic structure.

* Meaning: The proverb is about courage and responsibility. It means that when a difficult situation arises, someone will always step up to meet the challenge.

* Origin: It's hard to pinpoint the exact origin, but it's often attributed to Lord Nelson, a famous British admiral. He is supposed to have said something similar before a battle.

Here's how you might use it:

* "Cometh the hour, cometh the man. We faced a difficult decision, but someone always steps up to lead."

* "As the storm raged, cometh the hour, cometh the man. The captain steered the ship to safety."

Let me know if you'd like to explore other proverbs or sayings.