Danish søster

← German Schwester (cognate)

← English sister (cognate)

← Proto-Germanic *swestēr (inherited)

← Old Danish systær (inherited)

← Old Danish søstær (mention)

← Proto-Norse ᛊᚹᛖᛊᛏᚨᚱ (inherited)

← Proto-Indo-European *swésōr (inherited)

← Latin soror (cognate)

← Russian сестра́ (cognate)

→ Danish faster (compound)

→ Danish moster (compound)

→ Danish halvsøster (compound)

→ Danish søsterprojekt (prefix)

→ German Schwester (cognate)