tāvat — that long; saḥ — he; modate — enjoys life; svarge — in the heavenly planets; yāvat — until; puṇyam — his pious results; samāpyate — are used up; kṣīṇa — exhausted; puṇyaḥ — his piety; patati — he falls; arvāk — down from heaven; anicchan — not desiring to fall; kāla — by time; cālitaḥ — pushed down.