Old French refraindre

← Latin refringere (inherited)

← Latin refringō (mention)

→ English refrain (mention)

→ English refret (mention)

→ French refrain (mention)

→ Norwegian Bokmål refreng (derived)

→ Dutch refrein (derived)

→ Norwegian Nynorsk refreng (derived)

→ Norman èrfrain (mention)