encumbrance
/ɪnˈkʌmbrəns/noun
1- a burden or impediment负担, 累赘; 障碍物。
1.1
- Law a mortgage or other charge on property or assets【律】负担（指随财产或资产而来的抵押贷款或其他应付款项。
1.2
- archaic a person, especially a child, who is dependent on someone else for support〈古〉受赡养者（尤指小孩）。
词源
Middle English （denoting an encumbered state; formerly also as incumbrance ）： from Old French encombrance, from encombrer 'block up' （see ENCUMBER）.