Persian لب

← Proto-Indo-European *leb- (root)

← Proto-Indo-European *leb- (inherited)

→ Persian لبخند (affix)

→ Hindi लब (borrowed)

→ Northern Kurdish lêv (cognate)

→ Urdu لب (borrowed)

→ Yagnobi лап (cognate)

→ Zazaki lew (cognate)