refrain

fe’l verb

1. To hold back, to restrain (someone or something).
2. To show restraint; to hold oneself back.
3. To repress (a desire, emotion etc.); to check or curb.
4. (with preposition "from") To stop oneself from some action or interference; to abstain.

ot noun

1. The chorus or burden of a song repeated at the end of each verse or stanza.
2. A much repeated comment, complaint, or saying.