principium /prin-sipˈi-əm or pring-kipˈi-ŭm/

1. A beginning
2. A first principle or element
3. The general's quarters in a Roman camp

• inversely
• inverse proportion
• inverse ratio
• inverses
• inverse square law
• inversion
• inversion layer
• inversions
• footgears
• footguards
• foothill
• foothills
• foothold
• footholds
• footie
• footier
• footies
• footiest
• footing
• footings
• foot-in-the-mouth
• foot-jaw
• foot-jaws
• foot-lambert
• foot-lamberts