③
生活费;赡养费(供养所必需之资)
相关 名词理据「维持生计」转为维持生计所需的款项——由作业转指其资(14 世纪晚期 providing a person with the necessities of life)。
例句
The court ordered him to pay maintenance for his children.法院判他支付子女的抚养费;承本义「维护」——「维持生计」转为所需之资(相关·功能),本句指赡养费。
溯源路径本义 → 义项3