Wiktionary
n. A garment worn underneath a kimono; a ナガジュバん ''(nagajuban)''
Usage examples of "under-kimono".
Then the under-kimono, then the first slip and the second, and then the loincloth.
In the dim, steamy room, men in loincloths and women in thin under-kimonos scrubbed and rinsed themselves, or soaked in the deep tub.
The lamplight was glinting on her lips and in her eyes, and he saw the curve of her cheekbones and column of her neck, the raven hair, the perfect folds of her kimono and under-kimonos showing slightly from her white skin.
You're already breaking ancient laws of extravagance allowing your women to wear forbidden dress colors, like red, as under-kimonos or in your homes that, stupidly, the Bakufu, do not enforce.
She was dressed to undress, her night kimono and under-kimonos the finest, her hair shining, tortoiseshell and silver combs decorating the swept-up coiffure that showed the nape of her neck perfectly, the combs only there to take away--to allow her hair to fall to her waist, hiding the erotic.