Bhagavad Gita, Chapter 1, Verse 40

कुलक्षये प्रणश्यन्ति कुलधर्माः सनातनाः । धर्मे नष्टे कुलं कृत्स्नमधर्मोऽभिभवत्युत

kulakṣaye praṇaśyanti kuladharmāḥ sanātanāḥ | dharme naṣṭe kulaṃ kṛtsnamadharmo'bhibhavatyuta

Translation

On the extinction of a family, the immemorial dharmas of that family disappear. When the dharmas disappear, impiety (adharma) overtakes the whole family.

— Alladi Mahadeva Sastri

Word meanings

kulakṣaye
of a family, in the destruction
praṇaśyanti
perish
kuladharmāḥ
of the family, the duties
sanātanāḥ
immemorial
dharme
in the (state of) duty
naṣṭe
being destroyed
kulam
the family
kṛtsnam
the whole
adharmaḥ
lawlessness
abhibhavati
overcomes
uta
indeed