sūryaḥ — the sun; ca — and; astam gataḥ — having set; tāvat — thereupon; tamasā — by darkness; ca — and; āvṛtāḥ — covered; diśaḥ — all the directions; nimnam — low; kūlam — high land; jala-mayam — with water all around; na prājñāyata — could not be recognized; kiñcana — any.