A purple or reddish bile pigment or a breakdown product of hemoglobin with a purple hue.
From Latin 'bilis' (bile) + 'purpura' (purple), creating a technical term for the purple-tinted bile pigments that result from hemoglobin degradation.
Your blood contains hidden colors—as hemoglobin breaks down, it creates purple and red pigments, which is why old bruises turn purple and yellow as they heal!
Complete word intelligence in one call. Free tier — 50 lookups/day.