इमाम् this, कर्मभूमिम् the land of (religious) actions, प्राप्य having reached, यत् whichever, शुभम् is auspicious, कर्म deed, कर्तव्यम् should be performed, अग्नि: Agni, वायुश्च Vayu, सोमश्च Soma, कर्मणाम् (religious) rites, फलभागिनः have obtained a share of the fruits.
Having reached this land of (religious) actions, one should perform auspicious rites. As fruit of their actions, Agni, Vayu and Soma have obtained their status.