tava-your; api-also; etarhi-therefore; kauravya-born in the family of Kuru; saptaham-seven days; jivita-duration of life; avadhih-up to the limit of; upakalpaya-get them performed; tat-those; sarvam-all; tavat-so long; yat-which are; samparayikam-rituals for the next life.