To reduce someone to the status of a vassal; to make someone a feudal dependent or subordinate.
From 'en-' (to cause to be) plus 'vassal' (feudal dependent). The term combines prefix and noun to create a verb meaning to place someone in a subordinate feudal relationship.
This word captures how feudalism worked as a verb, not just a noun—it was an active process of 'envassaling' free people into dependency through military power and land control, which is why feudal history is full of resistance and rebellion.
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