also: しちもの
noun
Refers to an item left with a pawnbroker or lender as security for a loan. Common in legal and financial contexts.
彼は時計を質物に入れて金を借りた。
He pawned his watch and borrowed money.
質物の価値が借金額を下回った。
The value of the collateral fell below the loan amount.
Compound of 質 (しち, 'pawn, pledge') and 物 (もつ/もの, 'thing, object'). The reading しちもつ uses the on'yomi for both characters, while しちもの mixes on'yomi and kun'yomi.