小しょう開かい扉ひ

noun

brief door opening; momentary door opening

Rare term used in railway contexts for briefly opening a door, e.g., when a passenger's foot is caught. Not in general use.

• 駅えき員いんが小しょう開かい扉ひを行おこない、挟はさまった靴くつを引ひき抜ぬいた。

  The station staff performed a brief door opening and pulled out the stuck shoe.