arjunaviṣādayoga - Verse śloka 41
śloka 41
adharmābhibhavātkṛṣṇa praduṣyanti kulastriyaḥ |
strīṣu duṣṭāsu vārṣṇeya jāyate varṇasaṅkaraḥ ||1-41||
Translation
O Krishna! When sin increases greatly, the women of the family become corrupted, and O Varshneya! When women are corrupted, mixed castes are born.