Exeligmos

An exeligmos (ἐξέλιγμος — turning of the wheel) is a period of 54 years, 33 days that can be used to predict successive eclipses with similar properties and location. For a solar eclipse, after every exeligmos a solar eclipse of similar characteristics will occur in a location close to the eclipse before it. For a lunar eclipse the sam...
Found on http://en.wikipedia.org/wiki/Exeligmos

Exeligmos

counter-march.
Found on http://s_van_dorst.tripod.com/Ancient_Warfare/Greece/greek_glossary.html
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