응

Etymology 1
Probably an form. Compare 🇨🇬 and 🇨🇬. Perhaps related to Middle Korean.

Interjection

 * 1)  yes
 * Original English texts from 2016, VOA Learning English (public domain)
 * Original English texts from 2016, VOA Learning English (public domain)

Usage notes
Korean has a number of words for "yes". is highly polite and formal, appropriate in an interview; is polite but less formal, appropriate in a conversation with parents; and  and  are  plain and non-formal, appropriate in a conversation with friends. Among the latter two, has a stronger positive sense than.

Etymology 2
Korean reading of various Chinese characters.