じゃま
obstacle, hindrance
The suitcase is in the hall and every person in the house has to go round it. A jam じゃま, and somebody's fault: じゃま.
邪魔する is to get in the way. お邪魔します is said entering somebody's home, apologising for being the obstacle.
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Emaki is not affiliated with, or endorsed by, Kaishi 1.5k or its authors. The word, reading and meaning come from the Kaishi 1.5k deck, used with their permission. The mnemonic, the note and the kanji breakdown are original work, published under CC BY-SA 4.0.