debar

动词 debar:

1. bar temporarily; from school, office, etc.
   同义词：suspend
2. prevent the occurrence of; prevent from happening
   同义词：obviate, deflect, avert, head off, stave off, fend off, avoid, ward off
3. prevent from entering; keep out
   同义词：bar, exclude

1. Convicted criminals are debarred from voting in elections.
   已判刑的罪犯均被褫夺选举投票权。

de.bar

v.tr.（及物动词）
de.barred,de.bar.ring,de.bars
To exclude or shut out; bar.
把…排除在外；把…排除在外，不予考虑
To forbid, hinder, or prevent.
禁止，阻止或阻拦

来源：
Middle English debarren
中古英语 debarren
from Old French desbarer [to unbar]
源自 古法语 desbarer [打开]
des- [de-]
des- [前缀，表.除去.]
barer [to bar] from barre [bar] * see bar
barer [闩上，阻止] 源自 barre [杆，棒] *参见 bar

【引伸】
debar.ment
n.（名词）