available; in service
Primarily used in technical, business, or formal contexts to indicate that a resource, system, or person is available for use. Often seen in IT, logistics, and scheduling.
This server is available 24 hours a day.
Please check the available resources.
availability
availability ratio
available time
Compound of 可 (possible) and 用 (use). The exact historical derivation is uncertain, but it follows a common Sino-Japanese word formation pattern.