Brewer's: Hay, Hagh
or Haugh. A royal park in “which no man commons”; rich pasture-land; as Bilhagh (Billa-haugh), Beskwood- or Bestwood-hay, Lindeby-hay, Welley-hay or Wel-hay. These five hays were “special reserves” of game for royalty alone.
Strike while the iron is hot. Take time by the forelock. One to-day is worth two to-morrows.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894