Latvian māsa

← Proto-Indo-European *mā- (mention)

← Proto-Indo-European *swésōr (cognate)

← Lithuanian sesuõ (cognate)

← Lithuanian sesers (mention)

← Lithuanian móša (cognate)

← Latvian māte (mention)

← Old Prussian moazo (cognate)

→ Latgalian muosa (cognate)

→ Latvian māsasdēls (mention)

→ Latvian mātesmāsa (compound)