tam grhitva caranayor
jata-matram svasuh sutam
tam—the child; grhitva—taking by force; caranayoh—by the two legs; jata-matram—the newborn child; svasuh—of his sister; sutam—the daughter; apothayat—smashed; sila-prsthe—on the surface of a stone; sva-artha-unmulita—uprooted because of intense selfishness; sauhrdah—all friendship or family relationships.
Having uprooted all relationships with his sister because of intense selfishness, Kamsa, who was sitting on his knees, grasped the newborn child by the legs and tried to dash her against the surface of a stone.
Link to this page: https://prabhupadabooks.com/sb/10/4/8