The kanji 歯 represents "tooth" or "teeth." It refers to the hard, bony structures found in the mouth that are used for biting and chewing food. This kanji encompasses both individual teeth and the collective set of teeth.

・On-yomi (音読み): シ (shi) ・Kun-yomi (訓読み): 歯 (ha)

⚫︎ 歯医者 (haisha) Translation: Dentist ⚫︎ 歯ブラシ (haburashi) Translation: Toothbrush ⚫︎ 奥歯 (okuba) Translation: Molar; back tooth

The kanji 歯 is a pictograph. The original form of the kanji depicted a set of teeth in the mouth. The top part represents the upper teeth, and the bottom part represents the lower teeth. Over time, the form simplified into the current shape.