Definition of arrière vassal in English:

arrière vassal

(also arriere vassal)

noun

rare, historical
  • A person who holds land as the vassal of a person who himself or herself holds the land as a vassal; a subvassal.

Origin

Early 18th century; earliest use found in Ephraim Chambers (?1680–1740), encyclopaedist. From French arrière-vassal from arrière behind + vassal.

Pronunciation

arrière vassal

/ˌarɪɛː ˈvasl/