Tocharian B kᵤse

← Proto-Indo-European *kʷusó (inherited)

← Proto-Indo-European *kʷos (mention)

← Proto-Indo-European *kʷis (mention)

← Proto-Tocharian *kuse (inherited)

← Tocharian A kus (cognate)

→ Albanian kush (cognate)

→ Tocharian A kus (cognate)