朱あけに染そまる

expression, godan verb (-ru)

be covered in blood; welter in blood

Literary or dramatic expression for being drenched or stained with blood, often in battle or violent scenes.

• 戦せん場じょうは朱あけに染そまった。

  The battlefield was stained red with blood.

expression, godan verb (-ru)

turn red; become crimson

Used for something turning a vivid red, such as the sky at sunset or autumn leaves. Less common than the blood sense.

• 夕ゆう焼やけで空そらが朱あけに染そまった。

  The sky turned crimson in the sunset.