This is the 690th most frequent Japanese word.
改めて
"改めて" means "again" or "anew," often with a sense of reconsideration or a fresh start.
In this sentence, "改めて" is used to express that the act of expressing thanks is being done again, emphasizing formal acknowledgment.
改めてお礼を申し上げます。
I would like to express my gratitude once again.
Here, "改めて" is utilized to suggest revisiting a discussion or meeting once more or on another occasion.
改めてお話ししましょうか。
Shall we discuss this again at another time?
In this context, "改めて" indicates that the confirmation will be done again, carefully or formally at a later point in time.