अस्मात् from that, राघवात् by Rama, राक्षसीगणम् rakshasa clan, परित्रातुम् to protect, अलम् enough, वैदेहीम् Vaidehi's, अभियाचाम will beg her, एतत् by that, मम our, रोचते हि thinking indeed.

'To protect the demon clan from destruction by Rama, it is enough if we beg her (pardon). Indeed, I think that way.