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Kotomora

瓲

tonne, thousand kilograms, (kokuji)

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Readings

On'yomi

—

Kun'yomi

  • トン

Meaning

瓲 centers on a metric unit of mass: a tonne, equal to one thousand kilograms. It is a Japanese-made character (kokuji) created specifically for this measurement.

Study

Etymology

瓲 is a Japanese kokuji created by combining 瓦 (tile, used here as a unit-of-weight radical) with 屯, which likely contributes the phonetic element トン. It was coined to represent the metric tonne.

Meaning mnemonic

瓦 often appears in characters for units of weight (like gram), and 屯 suggests the sound トン. Together they form a tonne: a heavy weight made of tiles.

Reading mnemonic

For トン, the reading is exactly the English word 'ton'. Picture a ton of tiles (瓦) piled up: ton -> トン.