This is the 1217th most frequent Japanese word.
いたし
"いたし" is the stem form of the verb "いたす," meaning "to do" (humble language).
In this sentence, いたしましょう is the humble form of the verb 'to do.' It exemplifies its use in polite language, particularly in questions or offers to assist.
ご用をいたしましょうか？
Shall I attend to your needs?
Here, いたします is used as the humble form of 'to do,' reflecting respect and formality in personal commitment statements.
私はできる限り最善を尽くしいたします。
I will do my utmost to the best of my abilities.
In this example, いたします conveys humility in the context of considering someone's opinions, indicating a respectful acknowledgment.