Time flowing and settling in sand and sediment, steadily accreting new landscapes.
‘As the river grew older, so the meadows and cornfields beyond its banks stretched a wider green over the age-long silt filling the valley’s groin.’
Source: Henry Williamson, Tarka the Otter: His joyful water-life and death in the two rivers, illus. C.F. Tunnicliffe (Harmondsworth: Puffin Books, 1976 (1927)), p. 136