の末

after; at the end of

→ の
phrase Rare #26,129
after; at the end of Often follows a noun describing a process, effort, or period of time, and indicates what happened as a result or at its conclusion. The form の末に is also common.
JA: 長い努力の末、彼はついに夢をかなえた。
EN: After years of effort, he finally achieved his dream.

長い議論の末ようやく彼らは結論に達した

After a long discussion, they finally reached a conclusion.

長い訓練の末

After long training

— グッバイ、レーニン! (2003)

の末秋には紅葉が見られる

In late summer and autumn, you can see the leaves changing color.

長い議論の末彼らは一つの計画を出した

After a lengthy discussion, they came up with a plan.

長い話し合いの末私はついに彼女を説得してキャンプに行かせた

After a long discussion, I finally persuaded her to go camping.