1) Usurp 
• (v. t.) To hook, or draw to one`s self as with a hook. • (v. t.) To usurp, as jurisdiction or royal prerogatives.
Ac·croach' transitive verb [ Middle English acrochen , accrochen , to obtain, Old French acrochier , French accrocher ; Ã (L. ad ) + croc hook (E. crook ).] 1. To hook, or draw to one's self as with a hook. [ Obsolete] 2. ...
to assume to oneself without right or authority; usurp.