瓦が灯とう口ぐち

noun

low entrance with a tiled archway

Typically found at traditional teahouses, but not exclusively. The entrance is deliberately low, requiring guests to bow upon entering.

• 茶ちゃ室しつの瓦が灯とう口ぐちをくぐると、そこは別べっ世せ界かいだった。

  Ducking through the low tiled entrance of the tea room, I found myself in another world.