Compound Sanskrit Words Containing: parardha
dvi-parardha—the duration of the life of Brahma SB 5.14.29
dvi-parardha-avasane—after millions and millions of years (the life of Brahma) SB 10.3.25
dvi-parardha-samjne—the time known as the end of a dvi-parardha SB 9.4.53, SB 9.4.54, SB 9.4.53-54