1、ex- "out" + com- "together" + mun- + -ic + -ate.
2、字面含义：people together to use or share services or duties. => make services or duties publicly. => literally "that which is common". => make common, share.
3、解读：大家一起使用、享用各种服务、职能。也就是使各种服务、职能公共化。所以，由此，引申为：公社、社区；包括分享、共享想法、心得等；=> 谈心、亲密交谈。
4、people together to use or share services or duties. => make services or duties publicly. => 大家一起使用、享用各种服务、职能。也就是使各种服务、职能公共化。
5、说通俗点儿就像是：同呼吸共命运，风雨同舟，有福同享有难同当。
6、=> commun-: make common, share. 包括：share about information.
7、含义：put out of the community, expel from communion.

excommunicate 革除教籍

ex-, 向外。-commun, 公共，共同，词源同common, community. 即排除在公共之外，后用于宗教用语。

1. The Chinese Christians, therefore, practically excommunicate themselves from their own clan.

所以, 中国的基督徒简直是被逐出了自己的家族了.

2. Now, I insist that we call upon our bishop to excommunicate him!

我坚决提议,去找主教驱逐这个妖人!

3. Its no longer possible to excommunicate someone already excommunicated.

不会再出现开除已经被开除教籍的问题.