This is the 137th most frequent Korean word.
처음
"처음" means "the first time" or "the beginning."
Here, "처음" implies the first time meeting someone, used in a formal greeting.
처음 뵙겠습니다.
Nice to meet you for the first time.
In this sentence, "처음" indicates the first occurrence of viewing the movie.
이 영화를 처음 봤을 때 정말 감동적이었어요.
When I watched this movie for the first time, it was truly touching.
"처음으로" here emphasizes the initiation or starting point of an action.