primum mobile /prīˈməm mōˈbi-lē, mobˈi-lē or prēˈmŭm mōˈbi-le/

1. In medieval astronomy, the outermost of the revolving spheres of the universe, carrying the others round in 24 hours
2. Any great source of motion

• put up with
• puture
• putures
• put words into someone's mouth
• putz
• putzes
• puy
• Puy lentil
• puys
• puzel
• puzzel
• puzzle
• puzzled
• puzzledom
• puzzledoms
• puzzle-head
• postbusses
• post captain
• post captains
• postcard
• postcarded
• postcarding
• postcards
• postcava
• postcavae