This is the 12164th most frequent Korean word.
느낀
"느낀" means "felt" or "experienced."
Here, '느낀' is used as a past participle form of '느끼다' (to feel) and describes the feeling experienced during the morning walk.
나는 오늘 아침 산책하며 느낀 기분이 참 좋았다.
I had a really good feeling while walking this morning.
In this sentence, '느낀' describes the emotion or impression experienced from watching the movie.
그 영화에서 느낀 감동을 잊을 수 없다.
I cannot forget the emotion I felt from that movie.
'느낀' is used to indicate the thoughts or impressions personally experienced while reading the book.