vassalage

[vas-uh-lij] /ˈvæs ə lɪdʒ/
noun
1.
the state or condition of a vassal.
2.
homage or service required of a vassal.
3.
a territory held by a vassal.
4.
vassals collectively.
5.
dependence, subjection, or servitude.
Origin
1275-1325; Middle English < Middle French; see vassal, -age
Related forms
subvassalage, noun
British Dictionary definitions for vassalage

vassalage

/ˈvæsəlɪdʒ/
noun
1.
(esp in feudal society)
  1. the condition of being a vassal or the obligations to which a vassal was liable
  2. the relationship between a vassal and his lord
2.
subjection, servitude, or dependence in general
3.
(rare) vassals collectively
Word Origin and History for vassalage
n.

c.1300, from Old French vassalage, from vassal (see vassal).