# chōonpu

> vowel length mark in Japanese

**Wikidata**: [Q1091164](https://www.wikidata.org/wiki/Q1091164)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Chōonpu)  
**Source**: https://4ort.xyz/entity/ch-onpu


## References

1. Freebase Data Dumps. 2013