火口

Japanese

Etymology 1
Kanji in this term
火 口
か
Grade: 1		 こう
Grade: 1
on’yomi

Compound of 火 (ka, “fire”) +‎ 口 (kō, “hole”).

Pronunciation

Noun

火(か)口(こう) • (kakō) ←くわこう (kwakou)?

  1. (volcanology) a crater
  2. the firedoor of a boiler
Synonyms
Derived terms
Derived terms
  • 火口丘(かこうきゅう) (kakōkyū)
  • 火口原(かこうげん) (kakōgen)
  • 火口原湖(かこうげんこ) (kakōgenko)
  • 火口湖(かこうこ) (kakōko)
  • 火口港(かこうこう) (kakōkō)
  • 火口谷(かこうこく) (kakōkoku)
  • 火口瀬(かこうせ) (kakōse)
  • 火口壁(かこうへき) (kakōheki)
  • 火口瀬(かこうらい) (kakōrai)
  • 中央火口丘(ちゅうおうかこうきゅう) (chūōkakōkyū)
  • 爆裂火口(ばくれつかこう) (bakuretsukakō)

Etymology 2
Kanji in this term
火 口
ひ
Grade: 1		 くち > ぐち
Grade: 1
kun’yomi

Compound of 火 (hi, “fire”) +‎ 口 (kuchi, “hole”). The kuchi changes to guchi as an instance of rendaku (連濁).

Pronunciation

Noun

火(ひ)口(ぐち) • (higuchi) 

  1. the origin of a fire
  2. an opening for ignition
  3. the nozzle of a welder, etc
  4. the opening through which the fire enters the barrel in a hinawajū
  5. (volcanology) a crater
Synonyms

Etymology 3
Kanji in this term
火 口
ほ
Grade: 1		 くち
Grade: 1
kun’yomi

Compound of 火 (ho, “fire”) +‎ 口 (kuchi, “hole”).

Pronunciation
  • (Tokyo) ほくち [hòkúchí] (Heiban – [0])[1]
  • (Tokyo) ほくち​ [hòkúchíꜜ] (Odaka – [3])[1]
  • IPA(key): [ho̞kɯ̟ᵝt͡ɕi]

Noun

火(ほ)口(くち) • (hokuchi) 

  1. tinder
  2. a place for setting a fire
Synonyms
  • (tinder): 火糞(ほくそ) (hokuso)
Derived terms
Derived terms
  • 火口金(ほくちがね) (hokuchigane)
  • 山火口(やまぼくち) (yamabokuchi)
  • 火口箱(ほくちばこ) (hokuchibako, “tinderbox”)

References
  1. Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tōkyō: Sanseidō, →ISBN
  2. NHK Broadcasting Culture Research Institute, editor (1998), NHK日本語発音アクセント辞典 [NHK Japanese Pronunciation Accent Dictionary] (in Japanese), Tōkyō: NHK Publishing, →ISBN
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