He is associated with the Maruts, with Vayu and most especially with Indra, whom he sometimes assists and other times acts in place of when fighting Tvastar, Vrtra and Vala.
The Shatapatha Brahmana mentions Trita and his brothers Ekata and Dvita as the sons of Apas or the water deities who were born as a result of Agni's anger with the waters.
- 1:2:3:1 The Shatapatha Brahmana also mentions that they followed Indra just as a Brahman follows the train of a king.
When he slew Visvarûpa, the three-headed son of Tvashtri, they also knew of his going to be killed.
Sayana on 1.105 comments that this relates to three rishis, Ekata, Dvita and Trita who found a well, and Trita, drawing water, was pushed down by the other two and imprisoned, where he composed a hymn to the gods, and managed miraculously to prepare the sacrificial Soma; this is alluded to in RV 9.34.4 and described in Mahabharata 9.2095.