Canto 3 -
Araṇya-kāṇḍa
Chapter 56: Sītā is Taken to Aśoka-vana
Text 3.57.7

तस्य ज्याविप्रमुक्तास्ते शराः काञ्चनभूषणाः।
शरीरं विधमिष्यन्ति गङ्गा कूलमिवोर्मयः॥

tasya jyā-vipramuktās te śarāḥ kāñcana-bhūṣaṇāḥ
śarīraṁ vidhamiṣyanti gaṅgā kūlam ivormayaḥ

tasya = His; jyā-vipramuktāḥ = shot from bowstring; te = your; śarāḥ = arrows; kāñcana-bhūṣaṇāḥ = decorated with gold; śarīram = body; vidhamiṣyanti = will cause to fall away; gaṅgā-kūlam = [eroding] the bank of Gaṅgā; iva = like; ūrmayaḥ = waves..

Arrows decorated with gold, shot from His bowstring, will cause your body to fall away, like waves [eroding] the bank of the Ganga.