English half sister

← German Halbschwester (cognate)

← English half- (affix)

← English sister (affix)

← Middle English half-suster (inherited)

← Icelandic hálfsystir (cognate)

← Dutch halfzus (cognate)

← Dutch halfzuster (mention)

← Swedish halvsyster (cognate)

→ English half sister-in-law (suffix)