Noun
Originally, the ground near a royal forest, which, having been unlawfully added to the forest, was afterwards severed from it, and disafforested so as to remit to the former owners their rights.
Hence, the outer portion of any place; an adjacent district; environs; neighborhood.
Source: Webster's dictionaryTo rage, to lust, to write to, to commend, All is the purlieu of the god of love. John Donne