
1) Ancient Greek society
Found on
https://www.crosswordclues.com/clue/epigamia

In Ancient Greece `epigamia` (ἐπιγαμία) designated the legal right to contract a marriage. In particular it strongly regulated the right of intermarrying between different states. Traditionally, intermarriage between different states was not allowed, and only a special authorization (a decree of the popular assembly) could permit it. In.....
Found on
http://en.wikipedia.org/wiki/Epigamia

(from the article `ancient Greek civilization`) Another way of institutionalizing relationships between the nationals of different states was epigamia, an arrangement by which the offspring of ...
Found on
http://www.britannica.com/eb/a-z/e/36
No exact match found.