動詞 arrogate:

1. demand as being one's due or property; assert one's right or title to
   同義詞：claim, lay claim
2. make undue claims to having
   同義詞：assign
3. seize and take control without authority and possibly with force; take as one's right or possession
   同義詞：assume, usurp, seize, take over

ar.ro.gate

v.tr.（及物動詞）
ar.ro.gat.ed,ar.ro.gat.ing,ar.ro.gates
To take or claim for oneself without right; appropriate:
僭越：無權(quán)冒用或要求；盜用：
例句：
Presidents who have arrogated the power of Congress to declare war.See Synonyms at appropriate
僭取國會權(quán)力宣布戰(zhàn)爭的總統(tǒng)們參見 appropriate

To ascribe on behalf of another in an unwarranted manner.
不正當(dāng)?shù)亍瓪w于：以無根據(jù)的方式把某事歸于某人

來源：
Latin arrog3re arrog3t-
拉丁語 arrog3re arrog3t-
ad- [ad-]
ad- [前綴，表.朝，向.]
rog3re [to ask] * see reg-
rog3re [要求] *參見 reg-

【引伸】
ar.roga.tion
n.（名詞）
ar.roga.tive
adj.（形容詞）
ar.roga.tor
n.（名詞）