甘あま夏なつ柑かんじ字FuriganaMeanings1nounamanatsu; Japanese summer orangeA citrus fruit, a less sour variety of the natsumikan (Citrus natsudaidai). Often eaten fresh or used in sweets.See also: 甘夏甘あま夏なつ柑かんは普ふ通つうの夏なつみかんより酸さん味みが少すくない。Amanatsu is less sour than regular natsumikan.