lation

Etymology
From.

Noun

 * 1)  Motion of a celestial object from one place to another; local motion.
 * 2) * 17th century, John Donne, Elegy XI: The Autumnal
 * Since such love's natural lation is, may still
 * My love descend, and journey down the hill,
 * Not panting after growing beauties. So,
 * I shall ebb on with them who homeward go.
 * I shall ebb on with them who homeward go.