いんがおうほう
karma; the belief that good deeds bring good results and bad deeds bring bad results. A core Buddhist concept widely understood in Japan.
因果応報を信じる。
I believe in karma.
From the JLP Quiz question bank — the word in the form it is actually tested in.
「因果応報」の意味はどれか。
Answer: 良い行いは良い結果を、悪い行いは悪い結果をもたらすこと