trover
Concise Oxford English Dictionary © 2008 Oxford University Press:
trover/ˈtrəʊvə/
▶noun Law common-law action to recover the value of personal property that has been wrongfully disposed of by another person.
– origin C16: from an Anglo-Norman Fr. noun use of OFr. trover ‘to find’.
'trover' also found in these Oxford entries:

