←
Proto-Germanic *twai (derived)
←
Proto-Indo-European *dwóh₁ (derived)
←
Old Norse tveir (derived)
←
Old Norse tvá (mention)
←
Old Norse tvár (mention)
←
Old Norse tvær (mention)
←
Old Norse tvau (mention)
←
Old Norse þvá (derived)
→
Icelandic tveir (cognate)