词根：bil = strong

  词根bil来自拉丁语的bil意为strong。同义词根有来自拉丁语的firm,forc/fort,rob,val[vail]等。

同源词：

1. debilitate vt.使衰弱 （对“使结实”加以否定de(=reverse) + bil (=strong)）
  debility n.（身体的）虚弱
  Be brave.Fear debilitates one's will and destroys initiative.勇敢点儿，恐惧会削弱人的意志，也会破坏主动性。

词根词缀：bili-, bil-

【来源及含义】Latin: bile; which is a digestive juice secreted by the liver, stored in the gallbladder, and aids in the digestion of fats

【同源单词】atrabiliary, atrabilious, biliary, biliary flux, biliation, biliferous