optimal order quantity; optimum purchasing lot size
Technical term used in supply chain management and inventory control; refers to the ideal amount to order to minimize total costs.
By calculating the optimal order quantity, you can reduce inventory costs.
経済的発注量 (economic order quantity, EOQ) is a specific model for determining optimal order quantity, while 最適発注量 is a broader term for any optimal ordering amount.
Compound of 最適 (optimal) + 発注 (ordering) + 量 (quantity). A modern technical term with no known historical derivation beyond its components.