Valmiki Ramayana Bala Kanda Sarga 51 Shloka 21
Original Shlokaकदाचित्तु महातेजा योजयित्वा वरूथिनीम्। अक्षौहीणीपरिवृत: परिचक्राम मेदिनीम्।।1.51.21।।
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महातेजा: highly lustrous that Visvamitra, कदाचित् once, वरूथिनीम् his army, योजयित्वा having assembled, अक्षौहीणीपरिवृत: surrounded by army of the magnitude of Akshauhini, मेदिनीम् the earth, परिचक्राम gone round.
Once that highly lustrous Viswamitra having assembled his army of the magnitude of akshauhini went round the earth.