Webster's Revised Unabridged Dictionary · 1913

accroach

accroach (ak*krōch") , transitive verb

[Old English acrochen, accrochen, to obtain, Old French acrochier, French accrocher; à (Latin ad) + croc hook (English crook).]

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