Old Saxon fiuwartein

← Old English feowertīene (cognate)

← Proto-Germanic *fedurtehun (inherited)

← Old High German fiorzehan (cognate)

← Old Norse fjórtán (cognate)

← Old Frisian fiūwertīne (cognate)

→ Old English feowertiene (cognate)

→ Old Norse fjórtán (cognate)