火ひ持もち

noun

burning duration; fire-holding quality

Refers to how long a fuel (especially charcoal) stays lit or how well it retains fire. Often used in contexts like camping, barbecues, or traditional charcoal braziers.

• この炭すみは火ひ持もちがいいので、長ちょう時じ間かんバーベキューを楽たのしめる。

  This charcoal has good fire-holding qualities, so you can enjoy a barbecue for a long time.

• 火ひ持もちの悪わるい薪まきだと、すぐに火ひが消きえてしまう。

  With firewood that has poor burning duration, the fire goes out quickly.