op-,on,強調する,押す,押し付ける,強要する。oppress, oppressから派生した。
It is the due [external] restraint and not the moderation of rulers that constitutes a state of liberty; as the power to oppress, though never exercised, does a state of slavery. [St. George Tucker, "View of the Constitution of the United States," 1803]Related: Oppressed; oppressing.