mid-15c., preferrement, "furtherance of an undertaking; advancement or promotion in status; a prior claim or right," from prefer + -ment. From 1530s as "a superior place or office," especially in the Church.
the preferment went to the younger candidate
preferment of charges
prefecture
prefer
preferable
preference
preferential
preferment
prefiguration
prefigure
prefix
preflight
preformed