Zhuang Etymology From Mandarin 語言學/语言学 (yǔyánxué). Pronunciation (Standard Zhuang) IPA(key): /ji˥ jeːn˧˩ jo˧˩/ Tone numbers: yi3yen2yo2 Hyphenation: yij‧yenz‧yoz Noun yijyenzyoz (1957–1982 spelling yiзyenƨyoƨ) linguistics Wikiwand - on Seamless Wikipedia browsing. On steroids.