もうmoushiaげるgeruもうmouしあげるshiageru
1.

To express something verbally in a manner that reflects deep humility and respect, particularly when addressing someone of higher status.

2.

To convey information or sentiments with a heightened level of politeness, often used in formal or ceremonial contexts.

3.

To articulate thoughts or feelings with the intention of showing deference, usually in interactions that require a respectful tone.

Example:

お礼の申し上げようもありません。