Nandaki (नन्दकी, IAST: Nandakī) is a Sanskrit-origin Hindu boy-name meaning “Wielder of the sword Nandaka”. From nandaka (the name of Vishnu's divine sword, literally 'the gladdener') with the possessive suffix -in, this epithet marks the Lord as the bearer of the blade that brings joy to the righteous and terror to the wicked.

Meaning, etymology & significance

Nandaka, Vishnu's celestial sword, derives its name from the root nand meaning 'to rejoice' or 'to delight,' for it gladdens the hearts of the virtuous by cutting away the forces of darkness. The suffix -in (appearing as -ī in the nominative singular) forms a possessive compound, meaning 'one possessed of Nandaka.' This sword is sometimes described in the Puranas as the embodiment of knowledge (jñāna), making its bearer the lord of liberating wisdom.

Nandakī appears in Vishnu Sahasranama and is occasionally used as a given name in Vaishnava families; it is distinct from the more common Nandaka and carries a slightly softer classical ring. Pronounced nan-DA-kee, with stress on the middle syllable and a clear long final vowel.

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Scriptural source

Nandaki appears in the Vishnu Sahasranama, among the sacred names of Vishnu.

Astrology — nakshatra, rashi & numerology

By the standard Vedic correspondence between a name’s first syllable and the lunar mansion, Nandaki aligns with the Ardra nakshatra, under the Mithuna rashi (Moon sign). Its Chaldean name-number is 1.