Avoidance speech is a group of sociolinguistic phenomena in which a special restricted speech style must be used in the presence of or in reference to certain relatives. Avoidance speech is found in many Australian Aboriginal languages[1] and Austronesian languages[2] as well as some North American languages, Highland East Cushitic languages[3] and Southern Bantu languages.[4] Chinese naming taboo prohibits speaking and writing syllables or characters that appear in the names of esteemed people, such as emperors, parents, and ancestors.

Avoidance speech
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