pivot
noun /ˈpɪvət/
/ˈpɪvət/
- the central point, pin or column on which something turns or balances
- the central or most important person or thing
- West Africa was the pivot of the cocoa trade.
- The pivot on which the old system turned had disappeared.
- She is the pivot of community life.
Word Originlate Middle English: from French, probably from the root of dialect pue ‘tooth of a comb’ and Spanish pu(y)a ‘point’. The verb dates from the mid 19th cent.