"Aliʻi Manaʻo Nui" translates to "chiefly thought" or "chiefly ideas" in the Hawaiian language. The phrase refers to the wisdom, knowledge, and decision-making abilities associated with the aliʻi class, the ruling chiefs of ancient Hawaii. It signifies the importance of their role in guiding and governing the people based on sound judgment and understanding.

Therefore, "Aliʻi Manaʻo Nui" encapsulates the idea of the chiefs' wisdom, their ability to make sound judgments, and the weight of their decisions on the well-being of the people and the land, according to a Hawaiian word of the day video.