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根太 (ねだ) Japanese meaning | Kotomora

根ね太だ

ね

だ

Meanings

1

noun

A horizontal structural member used in flooring, supporting the floorboards. Technical term in architecture and construction.

床ゆか下したの根ね太だが腐くさっているので交こう換かんが必ひつ要ようだ。
The joists under the floor are rotten, so they need to be replaced.

Kanji

根root, radical, head (pimple)
太plump, thick, big around

Etymology

Compound of 根 (ne, 'root, base') and 太 (futo, 'thick'), referring to the thick base timbers used in traditional Japanese flooring. The reading ねだ is a specialized kun'yomi compound.