base component; foundational part
Technical term used in engineering, manufacturing, or organizational contexts to refer to a fundamental or base-level component.
The base component of this device is designed with durability in mind.
基本部品 is a more common term for 'basic part' or 'fundamental component', while 基底部門 is a specialized term emphasizing a foundational or base-level component, often in technical or organizational contexts.
Compound of 基底 (base, foundation) and 部門 (division, component). The exact historical derivation is uncertain; the term is a modern technical coinage.