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 塔

StepLanguageWordMeaning
1Japanese塔a tower; a pagoda, a stupa; a steeple, spire
2Middle Chineseとう—
3Middle Chinese刀knife

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 刀 →Every word from Middle Chinese とう →Every word from Japanese 塔 →