तदा मिथुनधर्मेण प्रजा ह्येधाम्बभूविरे ॥ ५५ ॥
tada-at that time; mithuna-sex life; dharmena-according to regulative principles; prajah-generations; hi-certainly; edham-increased; babhuvire-took place.
Thereafter, by sex indulgence, they gradually increased generations of population one after another.