vassallagium

vassallagium [vassallus+-agium], (state of) being or (act of) becoming a vassal, vassalage. s1216 barones ‥ postquam cognoverunt quod dominum papam pro subjectione regni et ~io regis inclinati validum haberent persecutorem Flor. Hist. II 158; 1303 qui juramenta fidelitatis seu ~ii vel alia promiserunt Reg. Wint. II 555; 1313 homagia, vassallargia, fidelitatum juramenta RGasc IV 973 p. 262a; quod ‥ in Ytalia et alibi vocatur ~ium, in Francia et Anglia vocatur homagium Upton 43.