What does 再発 mean?
再発 is a Japanese noun meaning “return, relapse, reoccurrence” in English. It is written as 再発 in kanji, さいはつ in hiragana, and saihatsu in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
１９５５年にガンが再発し、彼女は１９５６年に４２歳で亡くなった。
In 1955, the cancer returned and she died in 1956 at the age of 42.