From The Collaborative International Dictionary of English v.0.48:
Hurst \Hurst\, n. [OE. hurst, AS. hyrst; akin to OHG. hurst,
horst, wood, thicket, G. horst the nest of a bird of prey, an
eyerie, thicket.]
A wood or grove; -- a word used in the composition of many
names, as in Hazlehurst.
[1913 Webster]