An honorific particle indicating respect towards the subject or object in polite speech.
When to use
Honorific speech, Showing respect, Indirect object, Subject honorification
The nuance
께 replaces '에게' and is used in honorific speech to show respect towards people. It attaches to the subject or indirect object and is mostly used with verbs. Example: 할아버지께 편지를 썼다 (I wrote a letter to grandfather).
