Rig-Ve·da also Rig Ve·da or Rig·ve·da 
(rĭg-vādə, -vēdə)
(rĭg-vādə, -vēdə)n.
The most ancient collection of Hindu sacred verses, consisting principally of hymns to various deities.
[Sanskrit gvedaḥ : k, verse, sacred text + vedaḥ, knowledge, veda; see weid- in the Appendix of Indo-European roots.]