臍下丹田

せいかたんでん

pit of the stomach

丹

に

red earth (i.e. containing cinnabar or minium), vermilion

青丹

あおに

greenish-black earth

丹後

Tango (former province located in the north of present-day Kyoto Prefecture)

丹波

Tanba (former province located in parts of present-day Kyoto, Hyogo and Osaka prefectures)

丹州

Tanshū (the two former provinces of Tanba and Tango)

丹毒

たんどく

erysipelas

丹色

にいろ

red

丹紅

red; deep red; crimson

契丹

きったん けいたん キタイ キタン

Khitan people, Khitai, Kitan, Kidan

丹砂

たんしゃ たんすな

cinnabar

丹碧

たんぺき たんあおい

red and green

牡丹

ぼたん ボタン

tree peony (Paeonia suffruticosa), moutan

雲丹

うに ウニ

sea urchin, sea urchin eggs

仙丹

せんたん

the elixir (of life)

宝丹

ほうたん

type of smelling salts sold in the late Edo period

丹精

たんせい

working earnestly, sincerity, diligence, effort, pains

丹頂

たんちょう タンチョウ

red-crowned crane, Japanese crane (Grus japonensis)

煉丹

れんたん

elixir of life (prepared from cinnabar in ancient China)