降

降 (Kangxi radical 170, 阜+6 in Chinese, 阜+7 in Japanese, 9 strokes in Chinese in traditional Chinese, 8 strokes in mainland China, 10 strokes in Japanese, cangjie input 弓中竹水手 (NLHEQ), four-corner 7725₄, composition ⿰阝夅)

• 𭉓, 𰜡, 𤌅, 𧌰, 𡲣, 𡹷, 𱽿, 𫁫, 𩄐, 𱗘, 𰙳, 𤯲, 𨼇

• Kangxi Dictionary: page 1349, character 12
• Dai Kanwa Jiten: character 41620
• Dae Jaweon: page 1852, character 4
• Hanyu Da Zidian (first edition): volume 6, page 4126, character 18
• Unihan data for U+964D

• Unihan data for U+FA09

Historical forms of the character 降
Shang	Western Zhou
Oracle bone script	Bronze inscriptions

Phono-semantic compound (形聲 / 形声, OC *kruːŋs, *ɡruːŋ) and ideogrammic compound (會意 / 会意) : semantic 阝 (“hill, wall”) + phonetic 夅 (OC *ɡruːŋ, “to descend”) – descending a hill.

降

1. to fall; to drop; to descend; to come down

   降落  ―  jiàngluò  ―  to fall; to land

2. (honorific) to visit; to honor with one's presence
3. to bestow; to confer

   • 天降喪亂，饑饉薦臻。 [Pre-Classical Chinese, trad.]
     天降丧乱，饥馑荐臻。 [Pre-Classical Chinese, simp.]

     From: The Classic of Poetry, c. 11^th – 7^th centuries BCE, translated based on James Legge's version

     Tiān jiàng sāngluàn, jījǐn jiànzhēn.

     That Heaven sends down death and disorder?
     Famine comes again and again.

4. to reduce; to decrease; to lower

   降價／降价  ―  jiàngjià  ―  to reduce the price

5. (music) flat (♭)

   降A大調／降A大调  ―  jiàng-ēi dàdiào  ―  A-flat major

6. to be born
7. a surname

降

1. to surrender; to capitulate; to give in

   投降  ―  tóuxiáng  ―  to surrender

2. to subdue; to vanquish

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “related to etymology 1?”)

降

1. (Hakka) to give birth
   • 2012, 黃翠芳 [Grace Huang] (lyrics and music), “阿奶好作 [Easy To Be A Lady]”, in 牽等你介手 [Hold Your Hands]‎, performed by 黃翠芳 [Grace Huang]:

     人毋係降下來就等人服侍 [Hailu Hakka, trad.]
     人毋系降下来就等人服侍 [Hailu Hakka, simp.]

     ngin m heˇ giungˇ haˋ loi ciu+ denˊ ngin fugˋ sii+ [Taiwanese Hakka Romanization System]

     People are not born to wait to be served

Shinjitai	降
Kyūjitai [1]	降󠄃 降+󠄃? (Hanyo-Denshi) (Moji_Joho)
The displayed kanji may be different from the image due to your environment. See here for details.

(Sixth grade kyōiku kanji)

1. to descend
2. to fall
3. to precipitate
4. to surrender

• Go-on: こう (kō, Jōyō)^{←こう (kou, historical)}、ごう (gō)^{←ごう (gou, historical)}
• Kan-on: こう (kō, Jōyō)^{←かう (kau, historical)}
• Kun: おりる (oriru, 降りる, Jōyō)^{←おる (oru, 降る, historical)}、おろす (orosu, 降ろす, Jōyō)、ふる (furu, 降る, Jōyō)、くだす (kudasu, 降す)、くだる (kudaru, 降る)、ふらす (furasu, 降らす)、ふり (furi, 降り)
• Nanori: ふり (furi)、ふる (furu)

From Middle Chinese 降 (MC kaewngH).

• (SK Standard/Seoul) IPA^(key):
• Phonetic hangul:
  • Though still prescribed in Standard Korean, most speakers in both Koreas no longer distinguish vowel length.

Korean Wikisource has texts containing the hanja:

降

Wikisource

降 (eumhun 내릴 강 (naeril gang))

1. hanja form^? of 강 (“to come down; to descend”)

From Middle Chinese 降 (MC haewng).

• (SK Standard/Seoul) IPA^(key):
• Phonetic hangul:

降 (eumhun 항복할 항 (hangbokhal hang))

1. hanja form^? of 항 (“to surrender”)

• 국제퇴계학회 대구경북지부 (國際退溪學會 大邱慶北支部) (2007). Digital Hanja Dictionary, 전자사전／電子字典.

降: Hán Việt readings: giáng^{[1][2][3][4][5]}, hàng (胡(hồ)江(giang)切(thiết))^[1][3][4][5]
降: Nôm readings: hàng^{[1][2][6][4][7]}, giáng^[2][4][7], dán^[1][2], nháng^[3], giuống^[6]

1. chữ Hán form of giáng (“to fall; to descend”).
2. chữ Hán form of hàng (“to surrender”).