This is the 7007th most frequent Russian word.
аңсаған
Longed-for or desired.
Here, "аңсаған" is a past participle meaning "long-awaited" and is used to describe "күндер" (days).
Мен аңсаған күндерге жеттім.
I have reached the long-awaited days.
In this sentence, "аңсаған" is again a past participle used to qualify "арманын" (dream), meaning "cherished".
Ол өзінің аңсаған арманын жүзеге асырды.
He fulfilled his cherished dream.
Here, "аңсаған" describes the feeling or mood of yearning, related to "көңілмен" (with a heart).