Q&A: Why Agni is called 'twice born' in Rigveda?
Question Why Agni is called ’twice born’ in Rigveda? Answer Agni is twice born in RigVeda the second birth is the ritual fire and household fire ("sva adhvaro raja visham athiti" RV.2.2(8) - king of the ritual pole and guest of the village). This is the Agni produced by human effort as explained by @Swift Pushkar above. Rishi Angira was first to worship Agni as deva - " tvam Agne prathamo Angira Rishih devo devanam bhavah shivam...