freshly curdled butter
Buddhist term for a dairy product made by curdling fresh milk, considered one of the five flavors in Buddhist texts. Rare in modern everyday language.
In Buddhist scriptures, freshly curdled butter is described as one of the five flavors.
Variant kanji form; 蘇 is an older character for dairy products.
From Middle Chinese 生酥 (MC sræng su), literally 'raw/fresh butter'. The term entered Japanese through Buddhist texts.