Why this word is great
NEXUM — [Noun] A formal contract in early Ancient Rome where a debtor pledged his own person as collateral, risking enslavement if he defaulted on the loan. From Latin nexum ("binding agreement"), neuter of nexus, past participle of nectere ("to bind, tie"). Unlike "nexus" (which refers to the bound man himself) or "mancipium" (a general transfer of ownership), nexum is the cold machinery of debt made flesh. It is the bronze scales weighing a life against a sum of coins, the wax tablet etched with terms that erase freedom, the moment a man’s shadow no longer belongs to him—law as the quiet violence of inevitability.