1. Overview of Meaning
The kanji “歯” (pronounced “ha”) means “tooth.” It refers to the hard, calcified structures in the mouth that are used for biting and chewing food.
2. Formation and Radical
Formation of the Kanji: The kanji “歯” is a phonetic-ideographic character (形声文字). It combines the radical for “tooth” (歯) with a phonetic component that suggests its pronunciation.
Radical: The radical for “歯” is also “歯,” which is associated with teeth and dental-related concepts.
3. Examples of Usage
Common Words and Phrases:
- 歯医者 (はいしゃ, haisha) – dentist
- 歯磨き (はみがき, hamigaki) – tooth brushing
- 歯痛 (はいた, haita) – toothache
Example Sentences in Daily Conversation:
- 私は歯医者に行かなければなりません。 (I have to go to the dentist.)
- 毎日歯磨きをすることが大切です。 (It’s important to brush your teeth every day.)
4. Synonyms and Antonyms
Similar Kanji:
- 歯茎 (はぐき, haguki) – gum (the tissue surrounding the teeth)
- 牙 (きば, kiba) – fang (a long, pointed tooth)
Antonyms:
- 無歯 (むし, mushi) – toothless (lacking teeth)
5. Cultural and Historical Background
Relation to Japanese Culture: In Japan, dental health is highly valued, and regular visits to the dentist are common. The kanji “歯” is often seen in health-related contexts.
Proverbs and Idioms:
- 歯が立たない (はがたたない, hagatanai) – to be unable to compete (literally “teeth cannot stand”)
- 歯に衣着せぬ (はにころもきせぬ, ha ni koromo kisen) – to speak frankly (literally “not dressing the teeth in clothing”)