OriginFrom Old Norse trana.
Formströnu(genitive, singular) · trönur(nominative, plural) · trana(indefinite, nominative, singular) · tranan(definite, nominative, singular) · trönur(indefinite, nominative, plural) · trönurnar(definite, nominative, plural) · trönu(accusative, indefinite, singular) · trönuna(accusative, definite, singular) · trönur(accusative, indefinite, plural) · trönurnar(accusative, definite, plural) · trönu(dative, indefinite, singular) · trönunni(dative, definite, singular) · trönum(dative, indefinite, plural) · trönunum(dative, definite, plural) · trönu(genitive, indefinite, singular) · trönunnar(definite, genitive, singular) · trana(genitive, indefinite, plural) · trananna(definite, genitive, plural)
Source: Wiktionary — CC BY-SA 4.0