Watershed (noun)

  1. A region or area of land that drains water into a particular body of water, such as a river, lake, or ocean.
  2. A significant event or point that marks a turning point in a particular situation or development.

Origin:

From the land that drains water into a particular body of water.

Examples:

  1. The watershed of the river was home to many different species of fish.
  2. The watershed area was protected from development to preserve the water quality.
  3. This election is a watershed moment in the country's history.
  4. The new policy is a watershed in the company's approach to sustainability.
  5. The invention was a watershed in the field of medicine.
Some random words: chaplaincy, godparent, patron