As a deity name
Name 12 of the Rama Sahasranāma — Padma Purana / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 377 of the Vishnu Sahasranāma — Mahabharata (Anushasana Parva), as taught by Bhishma to Yudhishthira on his deathbed
As a Hindi name
परमेश्वर · noun · masculine
संसार का कर्ता और परिचालक सगुण ब्रह्म · विष्णु · शिव — Śabdasāgara
परमेश्वर · noun · masculine
संसार का कर्ता और परिचालक सगुण ब्रह्म · विष्णु · शिव — Śabdasāgara cross-reference followed: दे॰ परमेश्वर
परमेश्वर · masculine
God
a Hindi word, a tatsama: the Sanskrit word borrowed unchanged into Hindi परमेश्वर — per Wiktionary’s etymology record
“Learned borrowing from Sanskrit परमेश्वर (parameśvara); equivalent to परम (param) + ईश्वर (īśvar).” — per Wiktionary’s etymology record
parameśvara m. the supreme lord, Supreme Being, God
N. of Śiva
As a Sanskrit word
Meaning
the supreme lord, Supreme Being, God
Scripturally attested Verified derivationMultiple readings (4)Why this matches what you typed
The spelling you confirmed, परमेश्वर, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
parameśvara m. the supreme lord, Supreme Being, God
N. of Śiva
of Viṣṇu
of Indra
of any eminent prince or illustrious man, MBh.; Kāv. &c. (cf. RTL. 35 &c.)
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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