refrain2

 
Pronunciation: /rɪˈfreɪn/

noun

  • a repeated line or number of lines in a poem or song, typically at the end of each verse.
  • the musical accompaniment for a refrain: he would play the refrain
  • a comment or complaint that is often repeated: ‘Poor Tom’ had become the constant refrain of his friends

Origin:

late Middle English: from Old French, from refraindre 'break', based on Latin refringere 'break up' (because the refrain ‘broke’ the sequence)