Proto-Germanic *kaldijǭ

→ Danish kilde (inherited)

→ Faroese kelda (inherited)

→ Icelandic kelda (inherited)

→ Norwegian Nynorsk kjelde (inherited)

→ Old Norse kelda (inherited)

→ Old Norse celde (inherited(non/ang))

→ Southern Sami kaltio (derived(sma/fi))

→ Southern Sami gaaltije (borrowed)