collateralize
[ kuh-lat-er-uh-lahyz ]
/ kəˈlæt ər əˌlaɪz /
verb (used with object), col·lat·er·al·ized, col·lat·er·al·iz·ing.
to secure (a loan) with collateral.
to pledge (property, securities, etc.) as collateral.
Also
especially British,
col·lat·er·al·ise.
Origin of collateralize
First recorded in 1940–45;
collateral +
-ize