As a Hindi name
सेठ · noun · masculine
[सेट्ठि, स्त्री॰ सेठानी] · बड़ा साहूकार । महाजन । कोठीवाल · बड़ा या थोक व्यापारी — Śabdasāgara
सेठ · seṭh · s.m.
A great merchant; a banker, a money-broker; a millionaire; a capitalist — Platts (1884), digital edition courtesy DSAL, University of Chicago, p. 709
सेठ · feminine,masculine
a surname, Seth
सेठ · masculine
merchant; banker
a Hindi word, a tadbhava: evolved from the Sanskrit through Prakrit श्रेष्ठ — per Wiktionary’s etymology record
“Inherited from Sauraseni Prakrit 𑀲𑁂𑀝𑁆𑀞 (seṭṭha), from Sanskrit श्रेष्ठ (śreṣṭha), from Proto-Indo-Iranian *ćráyHištʰas. Doublet of श्रेष्ठ (śreṣṭh), a tatsama. Cognate to Punjabi ਸੇਠ (seṭh).” — per Wiktionary’s etymology record
śreṣṭha mf(ā)n. most splendid or beautiful, most beautiful of or among (with gen.), RV.; AV.; R.
most excellent, best, first, chief (n. ‘the best or chief thing’), best of or among or in respect of or in (with gen. loc., or comp.), RV. &c. &c.
As a Sanskrit word
Meaning
(fr. śreṣṭha, but = śreṣṭhin)
Verified derivationMultiple readings (2)Why this matches what you typed
The spelling you confirmed, सेठ, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
seṭha m. (fr. śreṣṭha, but = śreṣṭhin), Siṃhās.
Alternative readings
More than one analysis survives full verification. That ambiguity is real, so we show every reading rather than pick one silently.
Caveats
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