In Thai, katanyu describes gratitude and appreciation, especially toward someone who has shown kindness or support, which explains why the word carries weight even as a very short clip. On soundboards, short spoken words like this are often shared without a clear original video or show attached, and they spread because they are easy to reuse in reactions, edits and messages. Listeners do not need to understand every nuance of Thai to catch the respectful tone, and creators keep using it because a single sincere word can close a moment more neatly than a longer explanation.