Shiva Purana
एवमोमिति मां प्राहुर्यदिहोक्तमथर्वणा ॥ ऋचो यजूंषि सामानि शाखाश्चान्याः सहस्रशः ॥ ५२ ॥
Whatever is said here by the Atharva Veda is called 'Evamo' The Ṛg Veda, the Yajur Veda, the Sama Veda and thousands of other branches.
english translation
evamomiti mAM prAhuryadihoktamatharvaNA ॥ Rco yajUMSi sAmAni zAkhAzcAnyAH sahasrazaH ॥ 52 ॥
hk transliteration by Sanscript