I think this means divine power of the ocean in a Polynesian language.

As one Polynesian said, he said, I felt like jumping in the sky.

These women are descendants of Polynesian navigators, trained in the old ways by their elders, and now they're passing it on to me.

Now science may dismiss this methodology, but Polynesian navigators use it today because it provides them an accurate determination of the angle and direction of their vessel.

And they've been uninhabited for most of time because even in the ancient days, these islands were too far away from the bright lights of Fiji and Hawaii and Tahiti for those ancient Polynesian mariners that were traversing the Pacific so widely.