kanji 'tooth' radical at left
Refers to the kanji radical 歯 when it appears on the left side of a character, as in 齢 (よわい). Used in contexts discussing kanji structure.
The left side of '齢' is the 'tooth' radical.
Compound of 歯 (は, 'tooth') and 偏 (へん, 'left-side radical').