also: いっせきへん
noun
kanji 'bare bone' radical at left
Refers to the radical ⽍ (歹) when it appears on the left side of a kanji, as in 残 or 殊. The name comes from the visual resemblance of the top part to 一 and タ (or 夕).
See also: 歹偏
「残」の左側の部首は一タ偏と呼ばれることがあります。
The left-side radical in 残 is sometimes called 一タ偏.
Another name for the same radical, using the character 歹 itself. 一タ偏 is a descriptive name based on the shape.
The name 一タ偏 describes the shape of the radical: the top part looks like 一 and the bottom part like タ (or 夕). This is a common way to name radicals in Japanese.