The story
From the Tongyong Pinyin romanization of the Mandarin Chinese pronunciation for 通用拼音 (Tongyòng Pinyin).
Etymology from Wiktionary, CC BY-SA 4.0.
Tongyong Pinyin
Today it means: A system of romanization for Mandarin Chinese developed and implemented in the Republic of China (Taiwan) in the 1990s. Full definition →