As a Hindi name
No reading on this path — this spelling has no entry in our Hindi sources, and no near neighbour is attested there either. We say so rather than invent one.
As a Sanskrit word
Meaning
relating to or treating of the substitution of ṣ for s and ṇ for n, Sch.
Verified derivationWhy this matches what you typed
The spelling you confirmed, षात्वणत्विक, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Gender counterpart
The kosha attests this stem in the feminine, the masculine, and the neuter — the same name serves without alteration.
Dictionary citations
ṣātvaṇatvika mfn. (fr. ṣatvanatva) relating to or treating of the substitution of ṣ for s and ṇ for n, Pāṇ. iv, 3, 67, Sch.
ṣātvaṇatvika mfn. (-kaḥ-kī-kaṃ) Relative to the substitution of ṣa or ṇa for sa and na, (as a rule, &c.) E. ṭhak added to ṣatvaṇatva as above.
Caveats
Sources contain errors and engines have limits; every claim above carries its citation so you can verify it. This is guidance about names and their sources — not religious or astrological consultation. How we work · Our sources