Verse 19

ग्राह्यग्राहकसंबन्धे क्षीणे शान्तिरुदेत्यलम् ।स्थितिमभ्यागता शान्तिर्मोक्षनाम्नाभिधीयते

In plain words

When the relation of the grasped and the grasper has dwindled away, peace arises in full; and that peace, once it has come to abide, is called by the name “mokṣa.”