UppruniFrom Old Norse opinn, from Proto-Germanic *upanaz. Compare Faroese opin, Norwegian open, åpen, Danish åben, Swedish öppen, Dutch open, Low German apen, open, German offen, West Frisian iepen, English open.
Beygingaropnari(comparative) · opnastur(superlative) · opinn(masculine, nominative, strong) · opin(feminine, nominative, strong) · opið(neuter, nominative, strong) · opinn(accusative, masculine, strong) · opna(accusative, feminine, strong) · opið(accusative, neuter, strong) · opnum(dative, masculine, strong) · opinni(dative, feminine, strong) · opnu(dative, neuter, strong) · opins(genitive, masculine, strong) · opinnar(feminine, genitive, strong) · opins(genitive, neuter, strong) · opnir(masculine, nominative, strong) · opnar(feminine, nominative, strong) · opin(neuter, nominative, strong) · opna(accusative, masculine, strong) · opnar(accusative, feminine, strong) · opin(accusative, neuter, strong)
Heimild: Wiktionary