Where does “*kaynáH” come from?
*kaynáH (Proto-Indo-Iranian) comes from Proto-Indo-European kʷoynéh₂, from Proto-Indo-European kʷey- — to pay; to avenge.
*kaynáH (Proto-Indo-Iranian) comes from Proto-Indo-European kʷoynéh₂, from Proto-Indo-European kʷey- — to pay; to avenge.