Norwegian Bokmål fjortis

← Proto-Germanic *fedurtehun (inherited)

← Proto-Germanic *fedwōr (mention)

← Proto-Germanic *tehun (mention)

← Proto-Germanic (mention)

← Old Swedish fiughertān (derived)

← Old Swedish fiughurtan (mention)

← Proto-Indo-European (mention)

← Proto-Indo-European (mention)

← Proto-Indo-European *kʷetwóres (derived)

← Proto-Indo-European *déḱm̥t (derived)

← Latin -is (derived)

← Norwegian Bokmål fjorten (suffix)

← Norwegian Bokmål is (suffix)

← Old Norse fjugurtán (derived)

← Old Norse fjugrtán (mention)

← Old Norse fjórtán (mention)

← Swedish fjortis (derived)

← Swedish fjorton (mention)

← Swedish -is (mention)