Shiva Purana
ततः परं ब्रह्मचर्यलोकाख्यं शिवसंमतम् । तत्रैव ज्ञानकैलासे पंचावरणसंयुते ९२ ।
Then, there is the Brahmacarya Lokākhya, which is approved by Śiva. There, in that very place, is the Jñāna Kailāsa, surrounded by five coverings (or veils).
english translation
tataH paraM brahmacaryalokAkhyaM zivasaMmatam । tatraiva jJAnakailAse paMcAvaraNasaMyute 92 ।
hk transliteration by Sanscript