ab aeterno

[ ahb ahy-ter-noh; English ab ee-tur-noh ]
/ ˈɑb aɪˈtɛr noʊ; English ˈæb iˈtɜr noʊ /

adverb Latin.

from the most remote antiquity.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019