Røyros

Originally a farm name, until it was repurposed for the town around 1650. First part from Old Norse *Reyðr, from rauðr (“red”), cf. reyðr. Last part from óss (“river mouth”).

• IPA^(key): /²rœʏːru(ː)s/

Røyros m (definite Røyrosen)

1. A mining town and municipality of Gauldal district, southern Trøndelag, Norway. Official name: Røros
   • 1894, Ivar Kleiven, Segner fraa Vaagaa, page 126:

     Maaḷar-kånste læṛdė ’n Pær på Røyros, ’n reistė dit i ongdome å gav se i lærė sjå ein maaḷar-męstęr, såm dẹ sto slikt eit oṛ tå.

     Per learnt the art of painting in Røros; he travelled there in his youth and was taught by a painting master, which was well renowned.

   • 1911, Ivar Aasen, Skrifter i samling, volume 1, page 209:

     Den austlegaste Vegen er sedvanlega kallad Røyros-Vegen; han gjeng nordetter Øysterdalen igjenom Tunnset (Tønsæt) og Tolgen til Bergstaden Røyros, som er kjend av sitt Koparverk og ligg i ei Lægd imillom nokre stora og jamna Heidar, nokot yver fjortan Mil ifraa Trondheim og til og tretti Mil ifraa Oslo (Kristiania).

     The easternmost road is commonly called the Røyros road; it goes north along the Øysterdal through Tunnset (Tønsæt) and Tolgen to the mining town Røyros, which is known for its copperworks and lies in a hollow between a few large and even moors, some thirty miles away from Trondheim and thirty-three miles from Oslo (Kristiania).

This form is traditional in some dialects further west, such as in the North Gudbrand Valley.

• røyrosing (“someone from Røros”)

• Røa (river name)
• os (“river mouth”)