名詞 ecchymosis:

1. the purple or black-and-blue area resulting from a bruise
2. the escape of blood from ruptured blood vessels into the surrounding tissue to form a purple or black-and-blue spot on the skin

ec.chy.mo.sis

n.（名詞）
The passage of blood from ruptured blood vessels into subcutaneous tissue, marked by a purple discoloration of the skin.
淤血：血液從破損的血管中流入皮下組織，使皮膚呈現(xiàn)青紫色斑

來(lái)源：
New Latin
現(xiàn)代拉丁語(yǔ)
from Greek ekkhumôsis [extravasation]
源自 希臘語(yǔ) ekkhumôsis [外滲]
from ekkhumousthai [to extravasate]
源自 ekkhumousthai [外滲]
ek- [out] * see ecto-
ek- [出] *參見(jiàn) ecto-
khumos [juice] * see gheu-
khumos [液汁] *參見(jiàn) gheu-

【引伸】
ec.chymot.ic