What does accroach mean?
The definition of accroach
Ac*croach”, v. t.
Etym: [OE. acrochen, accrochen, to obtain, OF. acrochier, F. accrocher; à (L. ad) + croc hook (E. crook).]

1 To hook, or draw to one’s self as with a hook. [Obs.]
2 To usurp, as jurisdiction or royal prerogatives. They had attempted to accroach to themselves royal power. Stubbs.