Level XVIII of XX on the frequency path
Frequency rank 2236 / 2,608
Rarer in this ranking, but still part of the 2,608-character published set.
More common than 揄 (Lift), less common than 脊 (Stature).
Through a hole on top, someone tries to enter below — entering a hole that's too small causes you to suffocate, no air can get in when entry blocks the passage.
窒 is rank 2236 of 2,608 in published Japanese.
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