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"開けっぱなし" What's the grammar of っぱ?

冷蔵庫を開けっぱなしにしていたから、中の物が悪くなってしまった。

Eddie Kal
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Eric
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    If you've been failing to find it by searching it's because you need to look for ~っぱなし – Angelos Feb 14 '22 at 23:45

2 Answers2

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In kanji, it's 開けっ放し, not "開けっぱ + 無し". Here っぱなし is a kind of suffix that adds the nuance of "(do ~ and) leave it".

That said, 開けっぱ is occasionally used slangily as an abbreviation of 開けっ放し.

  • 窓が開けっ放しになっている。(standard)
    ≈ 窓が開けっぱになってる。(slang)
    The window is left open.
naruto
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blahっぱなし equals blahっ放し, which is also equal to blah放し.

開けっぱなし → 開けっ放し → 開け放し

So to answer your question

What's the grammar of っぱ?

"〜っぱなし" is derived from "〜放し".

When saying the word out loud, definitely the っ kicks in. Literally pronouncing without the っ will sound weird and may lead to confusion.

Going the other direction, we may also say 開けっぱ, which is close to slang.

e.g. 冷蔵庫が開けっぱ

dungarian
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