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Kotomora

栝

builder's frame for measuring

Strokes10

Readings

On'yomi

  • テン
  • カツ
  • カチ

Kun'yomi

  • たきぎ

Meaning

栝 centers on a wooden tool used for measuring: a builder's frame or carpenter's square. The meaning is narrow and technical, tied to construction.

Study

Etymology

栝 combines 木 (tree/wood) with 舌, which likely contributes the sound. The character originally referred to a wooden measuring tool, consistent with the wood radical.

Meaning mnemonic

The left side is wood 木, and the right side looks like a tongue 舌 sticking out. Imagine a wooden frame with a tongue-like sliding part used for measuring in carpentry.

Reading mnemonic

For テン, picture a carpenter using the wooden measuring frame under a tent: tent -> テン, and the frame helps measure the tent poles.