Canto 1 - Boyhood
Bāla-kāṇḍa
Chapter 70: Rāma’s Noble Lineage
Text 1.70.28

तांस्तु स प्रतियुध्यन्वै युद्धे राजा प्रवासितः॥

tāṁs tu sa pratiyudhyan vai yuddhe rājā pravāsitaḥ

tān tu = them; saḥ = the king; pratiyudhyan vai = while was facing; yuddhe = in battle; rājā = king; pravāsitaḥ = he was forced to leave his kingdom.

While the king was facing them in battle, he was forced to leave his kingdom.