English grumble

← German grummeln (cognate)

← Middle Dutch *grommelen (derived)

← Middle Dutch grommen (derived)

← Middle French grommeler (borrowed)

← Old French grumeler (derived)

← Middle Low German grummelen (cognate)

← Low German grummeln (cognate)

← Dutch grommelen (mention)

← Norwegian grymja (mention)

→ English mutter (link)

→ English grumbler (affix)

→ English grumbly (suffix)

→ English grumbleth (suffix)

→ English grumblest (suffix)

→ English grumblesome (suffix)

→ English begrumble (affix)

→ German grummeln (cognate)

→ Esperanto grumbli (borrowed)