स्वं भवति भवति हास्य स्वं य एवमेत-त्साम्नः स्वं वेद ॥ २५ ॥
In plain words
It becomes his own wealth—verily it becomes his own—whoever knows this native treasure of the sāman in this very way.
Close to the Sanskrit
Own becomes, it becomes indeed his own, who thus knows this own of the sāman.