What does 病 mean?
病 is a Japanese noun meaning “illness; disease” in English. It can also be translated as “bad habit” depending on context. It is written as 病 in kanji, やまい in hiragana, and yamai in romaji. This word is part of JLPT N4 vocabulary.
Example sentence
ジョンのおばあさんは長い間病に伏せていたが、亡くなった。
John's grandmother passed away after a long illness.