antiochian epoch

from The Collaborative International Dictionary of English v.0.48

Antiochian \An`ti*o"chi*an\, a.
   1. Pertaining to Antiochus, a contemporary with Cicero, and
      the founder of a sect of philosophers.
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   2. Of or pertaining to the city of Antioch, in Syria.
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   {Antiochian epoch} (Chron.), a method of computing time, from
      the proclamation of liberty granted to the city of
      Antioch, about the time of the battle of Pharsalia, B.C.
      48.
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