静

静 (Kangxi radical 174, 靑+6, 14 strokes, cangjie input 手月弓尸木 (QBNSD), composition ⿰青争)

• 瀞

• Kangxi Dictionary: not present, would follow page 1381, character 31
• Dai Kanwa Jiten: character 42574
• Dae Jaweon: page 1893, character 9
• Hanyu Da Zidian (first edition): volume 6, page 4047, character 3
• Unihan data for U+9759

(grade 4 “Kyōiku” kanji, shinjitai kanji, kyūjitai form 靜)

1. calm, quiet, silent

• Go-on: じょう (jō, Jōyō ^†)
• Kan-on: せい (sei, Jōyō)
• Kun: しず (shizu, 静, Jōyō)^{←しづ (sidu, 静, historical)}; しずか (shizuka, 静か, Jōyō); しずむ (shizumu, 静む); しずめる (shizumeru, 静める, Jōyō); しずまる (shizumaru, 静まる, Jōyō)
• Nanori: しずむ (shizumu)

From Middle Chinese 靜 (MC dzjengX). The kan'on, so a later borrowing than the jō reading.

First attested as a standalone noun in a text from 1648.[1]

• (Tokyo) せ​ー [séꜜè] (Atamadaka – [1])[2]
• IPA^(key): [se̞ː]

静(せい) • (sei) 

1. quiet
2. still, unmoving

静(せい) • (sei) 

1. [from 1648] stillness

   静(せい)と動(どう)

   sei to dō

   stillness and movement

/d͡ʑʲau/ → /d͡ʑɔː/ → /d͡ʑoː/

From Middle Chinese 靜 (MC dzjengX). The goon, so an earlier borrowing than the sei reading.

First attested as a standalone noun in a text from roughly 1216.[1]

• IPA^(key): [d͡ʑo̞ː]

静(じょう) • (jō) 

1. still, fixed, unmoving

静(じょう) • (jō) ^{←じやう (zyau)?}

1. [from roughly 1216] (Buddhism) equanimity, upekkhā, a state untroubled by attachment or aversion