Alemannic German blaaw

← German blau (cognate)

← English blow (cognate)

← West Frisian blau (cognate)

← Proto-Germanic *blēwaz (inherited)

← Proto-West Germanic *blāu (inherited)

← Old High German blāo (inherited)

← Icelandic blár (cognate)

← Dutch blauw (cognate)

→ Alemannic German Bleewi (link)