ドアエンジン

noun

door engine; automatic door operator

Wasei-eigo term for the motorized mechanism that opens and closes doors automatically, commonly found in trains, buses, and building entrances.

wasei-eigo (Japanese-coined English), from door engine

• 電でん車しゃのドアエンジンが故こ障しょうして、ドアが開あかなくなった。

  The train's door engine broke down and the doors wouldn't open.

• このビルには最さい