subinfeudation

noun

sub·​in·​feu·​da·​tion ˌsəb-ˌin-fyü-ˈdā-shən 

: the subdivision of a feudal estate by a vassal who in turn becomes feudal lord over his tenants

subinfeudate

ˌsəb-ˌin-ˈfyü-ˌdāt 

transitive verb

Word History

Etymology

sub- + infeudation enfeoffment

First Known Use

circa 1730, in the meaning defined above