As a deity name
Name 37 of the Durga Sahasranāma — Kula Arnava Tantra / Skanda Purana, as taught by Lord Shiva to Goddess Parvati
Name 259 of the Saraswati Sahasranāma — Skanda Purana, as taught by Lord Brahma / Sages
As a Hindi name
सिद्धविद्या · noun · feminine
एक महाविद्या का नाम — Śabdasāgara
As a Sanskrit word
Meaning
the doctrine relating to perfected beings
Scripturally attested Verified derivationMultiple readings (2)Why this matches what you typed
The spelling you confirmed, सिद्धविद्या, is itself a dictionary headword — no grammatical transformation stands between what you typed and the meaning above.
Dictionary citations
siddha—vidyā f. the doctrine relating to perfected beings, Pañcar.
a partic. form of the Mahā-vidyā, L.
Alternative readings
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Caveats
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