kindness; thoughtfulness; courtesy
Honorific noun expressing someone's considerate act or goodwill, often used to acknowledge a favor or thoughtful gesture.
Thank you for your kindness.
I am deeply grateful for his thoughtfulness.
Honorific prefix お (o-) attached to 志 (こころざし, 'will' or 'intention'), shifting the meaning to 'kindness' or 'thoughtfulness' when referring to another person's considerate act.