extort

动词 extort:

1. obtain through intimidation
2. obtain by coercion or intimidation
   同义词：squeeze, rack, gouge, wring
3. get or cause to become in a difficult or laborious manner
   同义词：wring from

1. An unwarranted fee, such as one extorted from a new prisoner by a jailer.
   勒索的金钱一笔不正当的费用，如看守向新囚犯勒索
2. Something of value extorted in this manner.
   勒索之物通过此种手段强取的有价值之物

ex.tort

v.tr.（及物动词）
ex.tort.ed,ex.tort.ing,ex.torts
To obtain from another by coercion or intimidation.
敲诈，勒索：通过强迫或威胁从另一个人处获得

来源：
Latin extorquôre extort- [to wrench out, extort]
拉丁语 extorquôre extort- [攫取，勒索]
ex- [ex-]
ex- [前缀，表.…之外.]
torquôre [to twist] * see terk w-
torquôre [折磨] *参见 terk w-

【引伸】
extort.er
n.（名词）
extor.tive
adj.（形容词）