She is Adividya.
Some lines from the Gauri Dhyanam of the Shiva Rahasyam
लक्ष्मीसेवितपादाभ्यां - Whose feet are served by Lakshmi
शचीसेवितपादुकाम् - Whose sandals are served by Shachi
सरस्वत्यादिभिर्नित्यं स्तूयमानपदाम्बुजाम् - Whose lotus feet are eternally praised by Saraswati and others
ब्रह्मेन्द्रोपेन्द्रजननीम् - Who is mother of Brahma, Indra and Upendra
महेशार्धाङ्गभागिनीम् - Who shares half the body of Maheshwara
महेशाश्लिष्टवामाङ्गाम् - Whose left side is embraced by Maheshwara
वरदाभयदाम् - Who hold the gesture of boons and fearlessness
प्रसन्नवदनाम् - Who has a tranquil countenance
नित्यं स्मितपूर्वाभिभाषिणीम् - Who always speaks with a smile
वृत्तचन्द्रदुकूलाढ्याम् - Who is adorned with a garment as bright as the full moon
नानाभरणभूषिताम् - Who is decorated with various ornaments
स्तूयमानां सदा वेदैर्वेदान्तैरपि कोटिशः - Who is eternally praised by the Vedas and Vedantas in millions of ways.
-- Shiva Rahasya/ Amsha 7/ Uttarardha/ Chapter 22