Canto 3 -
Araṇya-kāṇḍa
Chapter 60: Rāma Searches for Sītā
Text 3.60.3

त्वरमाणो जगामाथ सीतादर्शनलालसः।
शून्यमावसथं दृष्ट्वा बभूवोद्विग्नमानसः॥

tvaramāṇo jagāmātha sītā-darśana-lālasaḥ
śūnyam āvasathaṁ dṛṣṭvā babhūvodvigna-mānasaḥ

tvaramāṇaḥ = quickly; jagāma = He rushed [forward]; atha = then; sītā-darśana-lālasaḥ = with a strong desire to see Sitā-devī; śūnyam = was vacant; āvasatham = that His residence 1; dṛṣṭvā = [but] when He noticed; babhūva = He became; udvigna-mānasaḥ = distressed in heart.

With a strong desire to see Sītā-devī, He then quickly rushed [forward, but] when He noticed that His residence was vacant, He became distressed in heart.