counterclockwise

Japanese: counterclockwise
counterclockwise

…Superior symmetrical
[Left-right and left-right in movement]
Rotational motion always has two directions, but which one is called left-handed and which one is called right-handed is an even more complicated issue than the left-right of the structure. The simplest way to express this is to say that the direction of rotation of the hands of a clock is right-handed, and in English, right-handed motion is called clockwise, and left-handed motion is called counterclockwise or anticlockwise. However, this also reverses depending on which side of the axis of rotation you look from.

*Some terminology explanations that mention "counterclockwise" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…左右優位相称対称
[運動における左右性]
 回転運動には,その方向が必ず2通りあるが,そのいずれを左回り,右回りと呼ぶかは,構造における左右性よりもさらに問題が複雑である。最も簡便な表現は時計の針の回転方向を右回りとすることで,英語でも右回りをclockwise,左回りをcounterclockwiseまたはanticlockwiseと呼んでいる。しかし,これも回転軸のどちら側からみるかによって逆転してしまう。…

※「counterclockwise」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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