Meaning of 炬燵火 in Japanese

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Definition of 炬燵火

ひ(hi) 【火】

(n, n-suf) fire; flame; blaze
いすをもっと火の近くに寄せなさい。
Draw your chair closer to the fire.

こたつ(kotatsu) · コタツ(kotatsu) 【炬燵 ·火燵】

(n) kotatsu; table over an electric heater (orig. a charcoal brazier in a floor well) with a hanging quilt that retains heat
こたつで寝ちゃったら風邪引くのはあたりまえ。自己管理がなっていない。
Of course you'll catch a cold if you fall asleep under the kotatsu. You have to learn to take care of yourself.

か(ka) 【火】