neckband lining; inside collar
Refers to the inner lining of a collar, especially on traditional Japanese clothing like kimono.
The neckband lining of my kimono got dirty, so I had it replaced.
Standard kanji spelling using 襟 (collar).
Variant using 衿, also meaning collar; less common but attested.
Compound of 裏 (ura, 'back, inside') and 襟 (eri, 'collar').