What is ab aeterno and what does ab aeterno mean? Read about the definition and meaning of ab aeternoab aeterno Add your own definition Latin words Ab aeterno is a Latin word with the following meaning: from an infinitely remote point of time in the past. Etymology & Origin of ab aeternoSimilar words aba AbaddonRelated storiesSee more #categoriesAbbreviationsAfrican wordsArabic wordsCantonese wordsCrypto slangDutch wordsFeaturedFrench wordsGerman wordsHindi wordsItalian wordsJapanese wordsLatin wordsObsolete wordsOld English wordsPolish wordsRare and unusual English wordsRussian wordsSlangSpanish wordsTopicsTurkish wordsWeb3.0 & metaverse wordsWord of the Day