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Proto-Germanic *wikǭ

English week (inherited)
Afrikaans week (inherited)
Old English wice (inherited)
Cimbrian boch (inherited)
Danish uge (derived)
German Woche (inherited)
Middle Dutch weke (inherited)
Middle English weke (inherited)
Finnish viikko (derived)
Faroese vika (inherited)
Westrobothnian viku (inherited)
Jamtish vuku (inherited)
Old Swedish vika (inherited)
Scanian uga (inherited)
Central Franconian Woch (inherited)
Old High German wehha (inherited)
Gothic 𐍅𐌹𐌺𐍉 (inherited)
Icelandic vika (derived)
Ingrian viikko (derived)
Luxembourgish Woch (inherited)
Limburgish waek (inherited)
Mòcheno boch (inherited)
Norwegian Bokmål uke (derived)
German Low German Week (inherited)
Dutch week (inherited)
Norwegian Nynorsk vika (derived)
Norwegian Nynorsk veke (derived)
Norwegian Nynorsk uku (derived)
Norwegian Nynorsk vuku (derived)
Old Norse vika (inherited)
Elfdalian wikå (inherited)
Pennsylvania German Woch (inherited)
Northern Sami vahkku (derived)
Swedish vecka (inherited)
Vilamovian woh (inherited)
Yiddish וואָך (derived)