Estonian koer

← Finnish koira (cognate)

← Proto-Finnic *koira (inherited)

← Proto-Uralic *kojra (inherited)

← Proto-Uralic *kojera (mention)

← Proto-Uralic *koj(e)- (mention)

→ Estonian koeratoit (compound)

→ Estonian juhtkoer (compound)

→ Estonian koeras (mention)

→ Ingrian koira (cognate)

→ Karelian koira (cognate)

→ Mansi ха̄р (cognate)

→ Livvi koiru (cognate)