Old French rosel

← Old English rysc (cognate)

← Danish rør (cognate)

← German Rohr (cognate)

← Proto-Germanic *rausą (derived)

← Proto-Germanic *rauzą (mention)

← Old High German rōr (cognate)

← Proto-Indo-European *er- (derived)

← Old Norse reyrr (cognate)

→ French roseau (cognate)