begem

verb

1. To adorn (as if) with gems.

   “Our Grove we illuminate, glorious to see, With glittering Glow-worms begemming each Tree;”

   “One […] threw The wreath upon him, like an anadem, Which frozen tears instead of pearls begem;”

   “Time was, when a stage manager would spend hundreds of thousands of francs to begem with real emeralds the throne upon which a great actress would play the part of an empress.”