OriginFrom Old Norse lunga, from Proto-Germanic *lungô (“lung”, literally “the light organ”), from Proto-Indo-European *lengʷʰ- (“light, agile, nimble”). Compare Icelandic and Swedish lunga, Danish and Norwegian lunge, Dutch long, German Lunge, English lung.
Formslunga(genitive, singular) · lungu(plural) · lungur(plural) · lunga(indefinite, nominative, singular) · lungað(definite, nominative, singular) · lungu(indefinite, nominative, plural) · lungur(indefinite, nominative, plural) · lunguni(definite, nominative, plural) · lunga(accusative, indefinite, singular) · lungað(accusative, definite, singular) · lungu(accusative, indefinite, plural) · lungur(accusative, indefinite, plural) · lunguni(accusative, definite, plural) · lunga(dative, indefinite, singular) · lunganum(dative, definite, singular) · lungum(dative, indefinite, plural) · lungunum(dative, definite, plural) · lunga(genitive, indefinite, singular) · lungans(definite, genitive, singular) · lungna(genitive, indefinite, plural)
Source: Wiktionary