Ritual or ceremonial procedure, typical of religions and solemn acts. From Greek 955; 949; 953; 964; 959; 965; 961; 947; 953; 945; ( leitourgía "civil service" ) , formed by 955; 951; 953; 964; 959; 957; ( léeiton "hall for the people" ) 949; 961; 947; 959; 962; ( ergós "task" ) - 953; 945; ( -ía "action, quality" ) .