तपोधन: that Visvamitra whose asceticism was his wealth, घर्मे in summer, पञ्चतपा: भूत्वा performing penance amidst five fires, वर्षासु during rainy season, आकाशसंश्रयः taking refuge under the open sky, शिशिरे in the cold season, रात्र्यहानि day and night, सलिलस्थायी immersed in water, एवम् thus, वर्षसहस्रम् for a thousand years, घोरम् rigid, तप: austerities, उपागमत् performed.

Viswamitra whose wealth was his penance carried on his rigid austerities for a thousand years amidst five fires, in summer, under the open sky in monsoon, and immersed in ater night and day in winter.