frankpledge

詳細解釋：

frank.pledge

n.（名詞）
An Anglo-Saxon legal system in which units or tithings composed of ten households were formed, in each of which members were held responsible for one another`s conduct.
十戶聯保制：一種盎格魯-撒克遜的法律體系，其中形成含有十戶人家的單位或十戶區，在一單位或十戶區里，成員們對彼此的行為都負有責任
A member of a unit in frankpledge.
十戶聯保制中的成員

來源：
Middle English frankplegge
中古英文 frankplegge
from Anglo-Norman frauncpledge
源自 英法文 frauncpledge
Old French franc [free, frank] * see frank
古法文 franc [自由的，坦率的] *參見 frank
Old French plege [pledge] * see pledge
古法文 plege [抵押，典當品] *參見 pledge