Shiva Purana
आदित्वादादिदेवो ऽसावजातत्वादजः स्मृतः ॥ पाति यस्मात्प्रजाः सर्वाः प्रजापतिरिति स्मृतः ॥ ३० ॥
Since he is the beginning he is called Ādideva; since he is unborn he is called Aja; since he protects the subjects he is called Prajāpati.
english translation
AditvAdAdidevo 'sAvajAtatvAdajaH smRtaH ॥ pAti yasmAtprajAH sarvAH prajApatiriti smRtaH ॥ 30 ॥
hk transliteration by Sanscript