Latin+Week+Nine

1. tri = three 2. prim- = first 3. second- = second 4. tert- = third 5. quad-, quart-, quatr- = four; fourth 6. quinqu-, quin-, quint- = five; fifth 7. sex-, sext- = six; sixth 8. sept-, semptem- = seven; seventh 9. oct- = eight; eighth 10. novem-, nona- = nine; ninth