amercement
Concise Oxford English Dictionary © 2008 Oxford University Press:
amercement /əˈməːsmənt/
▶noun English Law, historical a fine.
– derivatives
amerce verb.
amerce verb.
– origin ME: from Anglo-Norman Fr. amerciment, based on estre amercie ‘be at the mercy of another’, from a merci ‘at (the) mercy’.
'amercement' also found in these Oxford entries:

