quword 趣词
            Word Origins Dictionary
         
        
        
     
    - praxis    
- praxis: see practice
 
- praxis (n.)    
- 1580s, from Medieval Latin praxis "practice, exercise, action" (mid-13c., opposite of theory), from Greek praxis "practice, action, doing," from stem of prassein, prattein "to do, to act" (see practical).