火

• 灬 (when used as a bottom Chinese radical)

Stroke order

火 (Kangxi radical 86, 火+0, 4 strokes, cangjie input 火 (F), four-corner 9080₀, composition ⿻⿰丿丿人(GJKV) or ⿻丷人(HT))

1. Kangxi radical #86, ⽕.

• Appendix:Chinese radical/火
• 黑(黒)
• 伙, 吙, 𡵼, 𫹐, 𣲧, 狄, 阦, 𨑯, 𣃛, 𭨬, 𣏹, 𣧛, 𪵘, 𤘭, 𪻓, 𥘙, 𪼸, 𤰹, 疢, 𥄣, 秋, 𦈦, 耿, 𧺩, 鈥(钬), 𩖧, 𣺸, 𫘉, 𩲕, 𩵰, 𪌌
• 邩, 𤬬, 畑, 秌, 𦓒, 烙, 䙺, 𧣌, 𨚊, 𨟽, 䲴, 𠠽, 𪢾, 𡗩, 𣏦, 𣲱, 𦙊, 𭿿, 𮝃, 𬮟, 𡇂
• 𬽄, 灰, 𡭞, 𡵖, 𢏅, 苂, 𭭝, 𣱛, 𤽈, 𬔇, 荧, 𬔲, 羙, 䎡, 𬟩, 𧈾, 䙳, 𧿮, 倐, 𮦉, 𩇭, 𫳡, 𣣛, 𩬊, 𦎟, 𪎖, 𦹪, 𩃏, 齌, 䀆, 㴴, 燮

• KangXi: page 665, character 1
• Dai Kanwa Jiten: character 18850
• Dae Jaweon: page 1073, character 19
• Hanyu Da Zidian (first edition): volume 3, page 2187, character 1
• Unihan data for U+706B

Historical forms of the character 火
Shang	Western Zhou	Spring and Autumn	Warring States		Shuowen Jiezi (compiled in Han)	Liushutong (compiled in Ming)
Oracle bone script	Bronze inscriptions	Bronze inscriptions	Chu slip and silk script	Qin slip script	Small seal script	Transcribed ancient scripts

Pictogram (象形) – pictographic representation of a fire.

Possibly from Proto-Sino-Tibetan *mej (Schuessler 2007; STEDT). However, see there for phonological problems.

火

1. fire; flame

   可以跟你借一個火嗎？ [MSC, trad.]
   可以跟你借一个火吗？ [MSC, simp.]

   Kěyǐ gēn nǐ jiè yīge huǒ ma? [Pinyin]

   Can I borrow a light?

2. fire (as a disaster); inferno
3. red; fiery; bright; brilliant
4. to burn down
5. light; torch
6. (dialectal) light; lamp
7. anger; rage; wrath
8. to become enraged
9. angry; furious
10. (traditional Chinese medicine) internal heat
11. firearm; ammunition; weapon
12. war; warfare
13. thriving; brisk
14. urgent; pressing
15. (neologism) to become popular; to go viral
16. (neologism) to be popular; to be viral
17. (Cantonese) watt (unit of power)

    ※Definitely, "火" here is a unit of brightness (luminous intensity). However, the brightness of a luminous device is measured in watts in life because of luminous intensity's dependence on power, which resulted in it being bonded to watt, the unit of power.

    20火嘅燈膽／20火嘅灯胆 [Cantonese]  ―  20 fo² ge³ dang¹ daam² [Jyutping]  ―  20-watt lightbulb

18. Short for 火星 (Huǒxīng, “Mars”).
19. (Cantonese) roasted

    Synonyms: 烤 (kǎo), 燒／烧 (shāo)

    火鴨／火鸭 [Cantonese]  ―  fo² aap³ [Jyutping]  ―  roasted duck

• (internal heat (traditional Chinese medicine)):

(grade 1 “Kyōiku” kanji)

• Go-on: か (ka, Jōyō)^{←くわ (kwa, historical)}
• Kan-on: か (ka, Jōyō)^{←くわ (kwa, historical)}
• Tō-on: こ (ko)
• Kun: ひ (hi, 火, Jōyō); ほ (ho, 火, Jōyō ^†)

火 (hi, ho, ka): fire.

⟨pi₂⟩ → */pʷɨ/ → /ɸi/ → /hi/

From Old Japanese,[1] from Proto-Japonic *poy.

Apophonic form of ho (see below), possibly by fusion with emphatic particle い (i). Compare the development of 木 (ko → ki, “tree”).

• (light): 灯

• (Tokyo) ひ​ [híꜜ] (Atamadaka – [1])[2]
• IPA^(key): [çi]

火(ひ) • (hi) 

1. term relating to fire:
   1. a flame

      Synonyms: 火気 (kaki), ファイア (faia), 炎 (honō)

   2. cooking fire
   3. a firestarter
   4. sparks
   5. light (matches or lighter)

      火(ひ)を貸(か)してもらえる？

      Hi o kashite moraeru?

      Can I borrow a light?

   6. heat

      Synonyms: 火熱 (kanetsu), 熱 (netsu)

   7. a conflagration

      Synonyms: 火災 (kasai), 火事 (kaji)

   8. a signal fire

      Synonym: 狼煙 (noroshi)

2. (by extension) a light
3. a burning passion
4. menstruation

   Synonym: 月経 (gekkei)

• 火(ひ)を見(み)るよりも明(あき)らか (hi o miru yori mo akiraka, “clearer than seeing the fire → as plain as day, as plain as the nose on one's face, as clear as a bell”)

/po/ → /ɸo/ → /ho/

From Old Japanese.[1]

Combining form of hi above. Probably the oldest form, possibly cognate with Korean 불 (bul, “fire”).

• IPA^(key): [ho̞]

火(ほ) • (ho) 

1. a fire

火 (ka): fire in the Wu Xing system

火 (Ka): Antares in the Scorpio constellation

/kwa/ → /ka/

From Middle Chinese 火 (MC huɑ^X).[1]

• (Tokyo) か​ [káꜜ] (Atamadaka – [1])[2]
• IPA^(key): [ka̠]

火(か) • (ka) ^{←くわ (kwa)?}

1. a fire
2. one of the five classical elements in traditional Chinese philosophy and medicine: see Wu Xing on Wikipedia.Wikipedia
3. (historical) under the old 律令 (Ritsuryō) system of ancient Japan, a military grouping, consisting of 10 soldiers: a squad

   Synonym: 分隊 (buntai)

4. Short for 火曜日 (kayōbi): Tuesday

• 風林火山(ふうりんかざん) (fūrinkazan)

火(か) • (ka) ^{←くわ (kwa)?}

1. fire
2. light
3. burning
4. passion
5. imminently
6. explosive

火(か) • (Ka) ^{←くわ (kwa)?}

1. Antares, in the constellation Scorpio

   Synonyms: アンタレス (Antaresu), 大火 (Taika)

From Middle Chinese 火 (MC huɑ^X).

• (in 화요 (火曜, hwayo)):
  • (SK Standard/Seoul) IPA^(key): [ɸwa̠]
  • Phonetic hangul: [화]
• (fire; anger; etc.):
  • (SK Standard/Seoul) IPA^(key): [ɸwa̠(ː)]
  • Phonetic hangul: [화(ː)]
    • Though still prescribed in Standard Korean, most speakers in both Koreas no longer distinguish vowel length.

Wikisource 火 (eumhun 불 화 (bul hwa))

1. Hanja form^? of 화 (“fire; heat”). [affix]
2. Hanja form^? of 화 (“anger”). [noun]
3. Hanja form^? of 화 (“(as an abbreviation) Mars”).
4. Hanja form^? of 화 (“Short for 화요일(火曜日) (hwayoil, “Tuesday”).”).

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

From Proto-Japonic *poy.

Apophonic form of po (see below), possibly by fusion with emphatic particle い (i₂).

Compare the development of 木 (ko₂ → ki₂, “tree”).

火 (pi₂) (kana ひ)

1. a fire
   • 711–712, Kojiki (poem 24)

     佐泥佐斯佐賀牟能袁怒邇毛由流肥能本那迦邇多知弖斗比斯岐美波母

     sanesasi Sagamu no₂ wono₁ ni mo₁yuru pi₂ no₂ ponaka ni tatite to₁pi₁si ki₁mi₁ pa mo₂

     (please add an English translation of this usage example)

2. (by extension) a light

• 火の神 (pi₂ no₂ kami₂, “fire deity”)
• 葦火 (asipi₂, “fire using dried reeds as kindling or fuel”)

• Japanese: 火 (hi), 灯 (hi)

Combining form of pi₂ above, probably the older form.

火 (po) (kana ほ)

1. a fire

• 螢 (potaru, “firefly”)
• 火の神 (po no₂ kami₂, “fire deity”)
• 炎 (pono₂po, “flame”)

• Japanese: 火 (ho)

Appears in only one poem in the Man'yōshū (c. 759 CE) as a compound, see derived term 葦火 (asipu).

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium. Particularly: “Eastern OJP variant of hypothetical *⟨po₂⟩?”)

火 (pu) (kana ふ)

1. (regional, Central Eastern Old Japanese) a fire

• 富士 (Puzi, “Mount Fuji”) (disputed; might be an Ainu loanword)
• 葦火 (asipu, “fire using dried reeds as kindling or fuel”)

火: Hán Việt readings: hỏa/hoả[1][2][3]
火: Nôm readings: hỏa/hoả[2][3][4][5], ỏa/oả[1]

1. chữ Hán form of hoả (“fire”).

• 火患 (hoả hoạn)