perigeo

When she is nearest she attrafts strongest, and so raises the tides most; the contrary hap - pens when she is farthest, because of her weaker attra£tion» When both luminaries are in the equator, and the moon in perigeo, or at her least distance from the earth, she raises the tides highest of all, especially at her con* junction and opposition; because the equa - torial parts have the greatest centrifugal force, both from their describing the largest circle, and from the concurring actions of the sun and moon.

A View of Nature: In Letters to a Traveller Among the Alps 1794