わ詫waびるbiru
1.
To express sincere remorse for causing inconvenience or distress to someone and to seek their forgiveness.
2.
To recognize and acknowledge one's shortcomings or mistakes in a way that reflects genuine regret, often in a formal or respectful manner.
3.
To convey an apology, particularly in situations where the individual feels a deep sense of accountability and wishes to amend the situation.
Example:
その男は私の足を踏んだのにわびることさえしなかった。