millenary

 
Pronunciation: /mɪˈlɛnəri, ˈmɪlɪnəri/

noun (plural millenaries)

  • a period of a thousand years. Compare with millennium.
  • a thousandth anniversary.

adjective

  • consisting of a thousand people, years, etc.: he mustered millenary forces

Origin:

mid 16th century: from late Latin millenarius 'having a thousand', based on Latin mille 'thousand'