term:

Hypothecate

hypothecate vt

-cat·ed
-cat·ing
[Medieval Latin hypothecare to pledge, from Late Latin hypotheca pledge, from Greek hypothēkē, from hypotithenai to put under, deposit as pledge]
: to pledge as security without delivery of title or possession compare pawn
hy·poth·e·ca·tion [-pÄ -thə-kā-shən]
n