←
Proto-Germanic *fadēr (inherited)←
Old Swedish faþir (inherited)←
Proto-Indo-European *ph₂tḗr (inherited)←
Old Norse faðir (inherited)→
Old English fæder (cognate)→
Finnish fade (borrowed)→
Finnish faija (borrowed)→
Faroese faðir (mention)→
Icelandic faðir (mention)