Where does “冷却塔” come from?

冷却塔 (Japanese) comes from Japanese 塔, from Middle Chinese とう, from Middle Chinese 刀 — knife.

冷却塔 (Japanese): cooling tower

Definitions

  1. cooling tower

Ancestry of “冷却塔”, step by step

冷却塔 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesea tower; a pagoda, a stupa; a steeple, spire
2Middle Chineseとう
3Middle Chineseknife

via Japanese 冷却

StepLanguageWordMeaning
1Japanese冷却refrigeration, the process of transferring heat from an object in order to cool it
Every word from Middle Chinese Every word from Middle Chinese とうEvery word from Japanese