使つかいで

noun

lasting quality; durability in use; going a long way

Describes something that lasts well under use, such as durable goods, or something that provides good value over time. Often used in phrases like 使いでがある (to be durable/long-lasting).

• この靴くつは使つかいでがあって、なかなか傷いたまない。

  These shoes are durable and don't wear out easily.

• この洗せん剤ざいは少しょう量りょうでよく落おちるから、使つかいでがある。

  This detergent works well with just a small amount, so it goes a long way.