# Vietnamese apex

> curved diacritic used in the early Vietnamese alphabet to represent syllable-final nasalization

**Wikidata**: [Q124328136](https://www.wikidata.org/wiki/Q124328136)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Vietnamese_tilde)  
**Source**: https://4ort.xyz/entity/vietnamese-apex


## References

1. [Source](https://www.unicode.org/L2/L2024/24111-vietnamese-apex.annot.pdf)
2. Le Portugal et la romanisation de la langue vietnamienne. Faut- il réécrire l'histoire ?
3. [Source](http://vantuyen.net/index.php?view=story&subjectid=22131)
4. [Source](http://www.vns.edu.vn/vns/images/stories/Bai_NCKH/5_LeKhacCuong/7_lekhaccuong.pdf#page=3)
5. Dictionarium Annamiticum Lusitanum et Latinum