Shiva Purana
पंच ब्रह्मसमष्टिस्स्यादीशानं ब्रह्म विश्रुतम् ॥ पुरुषाद्यं तु तद्व्यष्टिस्सद्योजातान्तिकं मुने ॥ २६ ॥
The five Brahmans are composed of the northern Brahman known as the Lord. O sage that stick which is the beginning of the Purusha is immediately born.
english translation
paMca brahmasamaSTissyAdIzAnaM brahma vizrutam ॥ puruSAdyaM tu tadvyaSTissadyojAtAntikaM mune ॥ 26 ॥
hk transliteration by Sanscript