expression, godan verb (-su)
leave behind a source of future trouble; sow the seeds of future problems
Used when an action or decision creates a hidden problem that will cause trouble later. Often carries a nuance of negligence or short-sightedness.
その場しのぎの対応は禍根を残すことになる。
A stopgap measure will end up leaving behind a source of future trouble.
彼の無責任な発
His irresponsible remark sowed the seeds of future problems.