←
Proto-Germanic *hwaiwa (inherited)
←
Proto-Germanic *hwē (mention)
←
Proto-Germanic *hwī (mention)
←
Proto-Germanic *hwaz (mention)
←
Middle High German wie (inherited)
←
Old High German hwio (inherited)
←
Old High German hwēo (mention)
←
Old High German hwē (mention)
←
Old High German hwie (mention)
→
German wieso (compound)
→
German Low German wo (cognate)
→
Pennsylvania German wie (cognate)