fratricide

名词 fratricide:

1. a person who murders their brother or sister
2. fire that injures or kills an ally
   同义词：friendly fire
3. the murder of your sibling

frat.ri.cide

n.（名词）
The killing of one`s brother or sister.
杀兄弟或姐妹的行为
One who has killed one`s brother or sister.
杀兄弟或姐妹的人

来源：
Middle English
中古英语
from Old French
源自 古法语
from Latin fr3tricodium
源自 拉丁语 fr3tricodium
fr3tricoda
fr3tricoda
fr3ter fr3tr- [brother] * see bhr3ter-
fr3ter fr3tr- [兄弟] *参见 bhr3ter-
-codium
-codium
-coda [-cide]
-coda [后缀，杀害]

【引伸】
frat.ricid.al