Old Norse fors

← Proto-Germanic *fursaz (inherited)

← Proto-Indo-European (mention)

← Proto-Indo-European *pers- (derived)

→ English force (derived)

→ English Force (mention)

→ English foss (derived)

→ Faroese fossur (derived)

→ Old Swedish fors (inherited)

→ Icelandic foss (derived)

→ Norwegian Bokmål foss (derived)

→ Norwegian Bokmål Helsingfors (derived)

→ Norwegian Nynorsk foss (inherited)

→ Swedish fors (inherited)