This site will be taken down March 31st, 2026.

This was not an easy decision to make. For the last couple years, I have been struggling to find motivation for this site and to keep up with basic maintenance and security updates. With the rise of AI and more sophisticated tools, the usefulness of sites like this is questionable and traffic has nose-dived. I just don't have it in me to keep doing this. Thank you all for 10 years of support!

Zach

永久歯

Reading

Kana: えいきゅうし
Romaji: eikyūshi
Kana
Romaji

Definition

1

permanent tooth

Kanji

Readings: エイ、 なが.い
Meanings: eternity, long, lengthy
Readings: キュウ、 ク、 ひさ.しい
Meanings: long time, old story
Readings: シ、 よわい、 は、 よわ.い、 よわい.する
Meanings: tooth, cog

Example Sentences

(むすめ)永久歯(えいきゅうし)がはえてきました。
➥My daughter is cutting her permanent teeth.
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乳歯(にゅうし)(よこ)永久歯(えいきゅうし)がはえてきました。
➥An adult tooth came in right next to a baby tooth.
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息子(むすこ)乳歯(にゅうし)永久歯(えいきゅうし)()わりました。
➥All my son's adult teeth are in.
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乳歯(にゅうし)()けないうちに(うし)ろから永久歯(えいきゅうし)がはえてきました。
➥His permanent tooth is coming in behind his baby tooth.
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