# tone letter

> symbol or mark representing the tone of a preceding or succeeding syllable

**Wikidata**: [Q1051422](https://www.wikidata.org/wiki/Q1051422)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tone_letter)  
**Source**: https://4ort.xyz/entity/tone-letter


## References

1. Freebase Data Dumps. 2013