German greinen

← German grienen (doublet)

← Middle High German grīnen (derived)

← Proto-West Germanic *grīnan (inherited)

← Old High German grīnan (derived)

→ English groan (cognate)

→ English Grein (mention)

→ German grienen (doublet)

→ German grünes Lachen (mention)

→ Alemannic German griine (cognate)

→ Luxembourgish gréngen (cognate)