from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Another name for table tennis.
Onomatopoeic. Ping-Pong (with dash) is a registered wordmark of Parker Brothers, Inc., first used in 1900 and registered in the United States in 1930, and an example of a genericized trademark. Contrary to a common folk etymology, the word does not originate from the Chinese language. (Wiktionary)