archivolt

 
Pronunciation: /ˈɑːkɪvəʊlt/

noun

  • a band of mouldings round the lower curve of an arch.
  • the lower curve of an arch from impost to impost of the columns.

Origin:

mid 17th century: from French archivolte or Italian archivolto, based on Latin arcus 'bow, arch' + volvere 'to roll'