V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
The concluding passage at the end of a Sāman sung in chorus, the fifth of the five parts of Sāman; लोकेषु पञ्चविधं सामोपासीत ...... द्यौर्निधनम् Ch. Up.2. 2.1.
svadharme nidhanaṁ śreyaḥ paradharmo bhayāvahaḥ. — Better is one’s own law of works, svadharma, though in itself faulty, than an alien law well wrought out; death in one’s own law of being is better… 3·35
निधनम्nidhanamnominative singular of the neuter noun nidhana (death).
निधानम्nidhānamnominative singular of the neuter noun nidhana (the eternal resting-place).