During the pandemic, many small businesses filed for bankruptcy due to unsustainable operations.

bankruptcy 是名词，来自形容词 bankrupt（破产的）加上名词后缀 -cy。bankrupt 本身由 bank（银行）和拉丁词根 rupt（打破）组成，字面意思是"银行账户被打破"，即"破产"。 bankruptcy 指"破产状态"或"破产程序"，是企业或个人因无力偿还债务时通过法律程序宣布破产的行为。