noun
preventive maintenance
Technical term used in engineering, IT, and facilities management for scheduled upkeep to prevent failures.
サーバーの予防保守は毎月行っています。
We perform preventive maintenance on the servers every month.
予防保守計画を見直す必要がある。
We need to review the preventive maintenance plan.
Compound of 予防 (prevention) and 保守 (maintenance). A straightforward technical term with no obscure historical derivation.