Middle English suster

← Old English sweostor (inherited)

← Old English swustor (mention)

← Old English sweoster (mention)

← Proto-Germanic *swestēr (inherited)

← Proto-Indo-European *swésōr (inherited)

← Old Norse systir (cognate)

→ English sister (mention)

→ English sister (mention)

→ Middle English sustren (affix)

→ Middle English sustres (affix)

→ Middle English sustres (affix)

→ Middle English susterhede (affix)

→ Middle English suster-in-lawe (affix)

→ Scots sister (mention)

→ Yola zister (mention)