दोषैरेतैः कुलघ्नानां वर्णसङ्करकारकैः।
उत्साद्यन्ते जातिधर्माः कुलधर्माश्च शाश्वताः।।1.43।।
1.43. By these evil deeds of the destroyers of the family, which cause confusion of castes, the eternal religious rites of the caste and the family are destroyed.
1.43 Sri Sankaracharya did not comment on this sloka. The commentary starts from 2.10.
Doshair etaih kulaghnaanaam varnasankarakaarakaih; Utsaadyante jaatidharmaah kuladharmaashcha shaashwataah.
doṣhaiḥ—through evil deeds; etaiḥ—these; kula-ghnānām—of those who destroy the family; varṇa-saṅkara—unwanted progeny; kārakaiḥ—causing; utsādyante—are ruined; jāti-dharmāḥ—social and family welfare activities; kula-dharmāḥ—family traditions; cha—and; śhāśhvatāḥ—eternal