tetrarchical

• a word derived from tetrarch.
  tetrarch

  noun

  any ruler of a fourth part, division, etc.
• a word derived from tetrarchy.
  tetrarchy

  noun

  the position, territory, or tenure of a tetrarch, especially of the ruler of the fourth part of a province or country in the ancient Roman Empire.

More Suggestions

• Petrarchan
• Petrarchism
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• Petrarch