Latvian taču

← Proto-Balto-Slavic *-šau (mention)

← Proto-Balto-Slavic *-tyau (mention)

← Lithuanian tačiau (cognate)

← Latvian tadšu (mention)

← Latvian tad (mention)

← Latvian *-šu (mention)

← Latvian jebšu (mention)

← Latvian kauču (mention)

← Latvian kaut (mention)

← Latvian šu (mention)

→ Lithuanian tačiau (cognate)