嵐

嵐 (Kangxi radical 46, 山+9, 12 strokes, cangjie input 山竹弓戈 (UHNI), four-corner 2221₇, composition ⿱山風)

• 𣛄, 𨅏, 𫙹

• 岚 (Simplified Chinese)

• Kangxi Dictionary: page 316, character 25
• Dai Kanwa Jiten: character 8289
• Dae Jaweon: page 617, character 4
• Hanyu Da Zidian (first edition): volume 1, page 788, character 9
• Unihan data for U+5D50

• Unihan data for U+F921

Note the difference in meaning in Chinese ("mountain mist") and Japanese ("storm").

Phono-semantic compound (形聲 / 形声, OC *b·ruːm): semantic 山 (“mountain”) + abbreviated phonetic 葻 (OC *b·uːm)

嵐

1. (literary) mountain mist
2. Used in place names.

• “嵐”, in 漢語多功能字庫 (Multi-function Chinese Character Database)‎, 香港中文大學 (the Chinese University of Hong Kong), 2014–

(Jōyō kanji)

1. fresh energy from the mountains
2. storm, tempest

• Go-on: らん (ran)^{←らん (ran, historical)←らむ (ramu, ancient)}
• Kan-on: らん (ran)^{←らん (ran, historical)←らむ (ramu, ancient)}
• Kun: あらし (arashi, 嵐, Jōyō)

Japanese Wikipedia has an article on:

嵐

Wikipedia ^ja

English Wikipedia has an article on:

Storm

Wikipedia

/arasi/ → /araɕi/

From Old Japanese.

Derivation theories include:

• Compound of 荒ら (ara, “desolate, sparse”, archaic) +‎ 風 (shi, “wind”, obsolete).
• From 荒らし (arashi, “destroyer”), the 連用形 (ren'yōkei, “stem or continuative form”) of verb 荒らす (arasu, “destroy, ruin”).
• Apophonic form of 颪 (oroshi, “wind blowing down from the mountains”).

• (Tokyo) あらし (Atamadaka – )^[1][2]
• IPA^(key):

嵐(あらし) • (arashi) 

1. a storm, tempest:
   1. a windstorm
      • 905, Kokin Wakashū (book 5, poem 249; also Hyakunin Isshu, poem 22)

        吹(ふ)くからに秋(あき)の草(くさ)木(き)のしをるればむべ山(やま)風(かぜ)を嵐(あらし)といふらむ

        fuku kara ni aki no kusaki no shiorureba mube yama-kaze o arashi to iuran

        The plants of autumn droop and wither at its touch―that explains, of course, why a wind from the mountains has come to be called a storm.^[3]

      Synonyms: 嵐の風 (arashi no kaze), 暴風 (bōfū)

   2. a rainstorm

      嵐(あらし)の神(かみ)、ケラノス

      Arashi no Kami, Keranosu

      Keranos, God of Storms

      Synonym: 暴風雨 (bōfūu)

   3. a magnetic storm

      Synonyms: 磁気嵐 (jiki arashi), 地磁気嵐 (chijiki arashi)

2. (figurative) a difficulty, discord, strife

   激(はげ)しい感(かん)情(じょう)の嵐(あらし)

   hageshii kanjō no arashi

   an uproar of emotion

3. (archaic, obsolete) Short for 嵐の日 (arashi no hi): the first day of the seventh month in the lunar calendar

• 嵐(あらし)の前(まえ)の静(しず)けさ (arashi no mae no shizukesa, “calm before the storm”)
• 嵐(あらし)を呼(よ)ぶ (arashi o yobu)
• コップの中(なか)の嵐(あらし) (koppu no naka no arashi, “storm in a teacup → tempest in a teapot”)

• 花(はな)に嵐(あらし) (hana ni arashi)

嵐(あらし) • (Arashi) 

1. a female given name
2. a surname

/ram/ → /ramʉ/ → /ran/

From Middle Chinese 嵐 (MC lom).

• IPA^(key):

嵐(らん) • (Ran) 

1. a female given name

From Middle Chinese 嵐 (MC lom). Recorded as Middle Korean 남 (nam) (Yale: nam) in Hunmong Jahoe (訓蒙字會 / 훈몽자회), 1527.

Korean Wikisource has texts containing the hanja:

嵐

Wikisource

嵐 (eumhun 남기(嵐氣) 람, word-initial (South Korea) 남기(嵐氣) 남)

1. hanja form^? of 람, 남 (“mountain mist”)

• 국제퇴계학회 대구경북지부 (國際退溪學會 大邱慶北支部) (2007). Digital Hanja Dictionary, 전자사전／電子字典.
• Supreme Court of the Republic of Korea (대한민국 대법원, Daehanmin'guk Daebeobwon) (2018). Table of hanja for personal names (인명용 한자표 / 人名用漢字表, Inmyeong-yong hanja-pyo), page 11.