What is ab initio and what does ab initio mean? Read about the definition and meaning of ab initioab initio Add your own definition Latin words Ab initio is a Latin phrase with the meaning: from the beginning Etymology & Origin of ab initioSimilar words ab esse ab extraRelated 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