noun
uchiki; Heian-period court robe
A long, unlined robe worn by court ladies in the Heian period, typically layered under the 唐衣 and over the 単. The reading うちぎ is also attested.
十二単のうち、袿は唐衣の下に重ねて着用された。
Among the layers of the twelve-layered court robe, the uchiki was worn layered under the karaginu.
平安時代の女房装束では、袿の色の組み合わせが重要だった。
In Heian-period court ladies' attire, the color combinations of the uchiki were important.
The kanji 袿 is a 国字 (kokuji) created in Japan to refer specifically to this garment. The reading うちき is of native Japanese origin, with the alternate うちぎ likely reflecting historical rendaku.