एष उ एव साम वाग्वै सामैष साचामश्चेति तत्साम्नः सामत्वम् ।यद्देव,
In plain words
This verily is the sāman. Speech is indeed the sāman, being composed of 'sā' and 'ama'; and that constitutes the very nature of the sāman. Whatever indeed,
Close to the Sanskrit
This indeed is the sāman; speech verily is sāman, this is sā and ama, and that is the sāmanhood of the sāman. Whatever indeed,