底そこ寒さむい

i-adjective

bitterly cold; piercing cold

Describes a deep, penetrating cold that seems to come from the bottom or core, often used for weather or a room that feels thoroughly chilled.

• 底そこ寒さむい冬ふゆの朝あさ、外そとに出でるのがつらい。

  On a bitterly cold winter morning, it's hard to go outside.

• 暖だん房ぼうをつけても部屋へやが底そこ寒さむい。

  Even with the heater on, the room feels piercingly cold.