# Szemerényi's law

> proto-Indo-European language sound change and synchronic phonological rule

**Wikidata**: [Q3258360](https://www.wikidata.org/wiki/Q3258360)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Szemerényi's_law)  
**Source**: https://4ort.xyz/entity/szemer-nyi-s-law