Norwegian trir

← Danish tre (mention)

← English three (cognate)

← Faroese tríggir (mention)

← Proto-Germanic *þrīz (inherited)

← Proto-Norse ᚦᚱᛁᛃᛟᛉ (inherited)

← Proto-Indo-European *tréyes (inherited)

← Icelandic þrír (mention)

← Old Norse þrír (inherited)