noun
Japanese angelica; dong dang gui
An aromatic herb (Angelica acutiloba) used in traditional medicine; similar to Chinese dong quai but a distinct species. The term is rare and usually written in katakana.
See also: 当帰
ニホントウキは漢方薬に使われる植物です。
Japanese angelica is a plant used in traditional Chinese medicine.
当帰 is the broader term for angelica root, often referring to Chinese dong quai (Angelica sinensis), while ニホントウキ specifies the Japanese species.
From 日本 (Japan) + 当帰 (angelica). The exact historical derivation of 当帰 is uncertain; the spelling is conventionally associated with the medicinal herb.