うかがukagau
1.

A humble expression used to indicate one's desire to receive information or inquire about something from someone of higher status, reflecting respect and deference.

2.

To visit a place or a person with the intention of showing respect, often in a formal or polite manner.

3.

To carefully observe or watch subtle changes in a situation or a person's demeanor in order to understand their true feelings or intentions.

4.

To wait for an opportunity to position oneself advantageously or to obtain something better while displaying a sense of caution.

Example:

病気のため本日はうかがうことができませんでした。