Areopagus Look up Areopagus at Dictionary.com
1640s, Greek, Areios pagos "the hill of Ares," west of the Acropolis in Athens, where the highest judicial court sat; second element from pagos "pinnacle, cliff, rocky hill," related to pegnunai "to fasten, coagulate," from PIE root *peg- "to coagulate, become fixed" (see pact (n.)). Sense extended to "any important tribunal."