再さい発はつ

noun, noun or participle which takes 'suru', intransitive verb

recurrence; relapse; return

Used for the reappearance of a disease, problem, or event. Often used in medical, social, or technical contexts.

• 病びょう気きの再さい発はつを防ふせぐために、定てい期き的てきに検けん査さを受うけている。

  I have regular check-ups to prevent a recurrence of the illness.